What part of a fish creates balance and helps with escape and predation?
Answers
Related Questions
A mutation on the checkpoints of the cell cycle can cause....
A. Apoptosis
B. Uncontrolled division
C. S phase
D. deactivation
Answers
Answer:
I will GUESS B is your answer
Explanation:
In your own words, describe what happens in the animation. Be sure to mention the water molecules and what processes are taking place in each part of the water cycle model
Answers
In the animation, we see the water cycle in action. The water cycle is the process by which water circulates between the Earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
Once the water reaches the Earth's surface, it begins to flow into streams and rivers, which is known as runoff. The water then makes its way back to the ocean, where the cycle begins again. Throughout the animation, we see the water molecules constantly moving and changing form as they go through the different processes of the water cycle.
Learn more about animation here:https://brainly.com/question/3916646
#SPJ11
HELPP MEEE...please?
it wont lemme put the photo here, but its basically saying that the dark colored beetles increased after the fire, and the light colored beetles decreased.
An entomologist is studying a population of beetles that eat vegetation from the forest floor. The population survived a fire and is beginning to repopulate. A lot of the brush has been burned away and the ground in the ecosystem is much darker in color due to the fire. The entomologist created a graph to analyze changes in the beetle population.
The scientist developed some possible explanations for the changes in the beetle population over time. Circle the letter of the explanations that are most likely to be true. You may select more than one answer.
The dark beetles preyed upon the lighter beetles.
The food source that the beetles relied on decreased due to the fire.
The dark beetles reproduced more quickly than light-colored beetles of the same species.
Predators were able to prey more easily upon the light-colored beetles due to the darker color of the forest floor.
Dark beetles were more camouflaged to their new environment and were able to survive longer in order to reproduce.
thank you guys ! <3 :-)
Answers
Answer:
Dark beetles were more camouflaged to their new environment and were able to survive longer in order to reproduce.
Explanation:
The key here is "A lot of the brush has been burned away and the ground in the ecosystem is much darker in color due to the fire."
– Heart Rate Investigation
Students will investigate their heart rate during different physical activities.
They will measure their resting heart rate and then record their heart rate after
performing activities such as walking, running, or jumping.
They are to compare and analyse their heart rate data, noting any changes based
on activity intensity.
They will explain the relationship between heart rate and physical activity
Answers
The investigation on heart rate during different physical activities involves students measuring their resting heart rate and recording their heart rate after performing activities like walking, running, or jumping. They will compare and analyze the data to note any changes based on the intensity of the activity. The goal is to explain the relationship between heart rate and physical activity.
Heart rate is an essential indicator of cardiovascular fitness and provides insights into how the body responds to physical exertion. When the body engages in physical activity, the heart works harder to supply oxygen and nutrients to the muscles. As a result, the heart rate increases.
During rest, the heart beats at a baseline rate known as the resting heart rate. As individuals engage in different activities with varying intensities, their heart rate will respond accordingly. Light activities like walking may result in a moderate increase in heart rate, while more vigorous activities like running or jumping will lead to a more significant increase.
By comparing and analyzing their heart rate data, students can observe the relationship between heart rate and physical activity intensity.
They will likely find that higher-intensity activities elicit higher heart rates. This relationship demonstrates how the heart adapts to meet the increased demand for oxygen and energy during exercise.
Understanding this relationship is crucial for assessing cardiovascular fitness and designing appropriate exercise programs to improve heart health.
For more such answers on Heart Health
https://brainly.com/question/12283709
#SPJ8
A portion of sequences for two types of hemoglobin are shown in the diagram.
The top sequence for wild-type hemoglobin is C-C-T, G-A-G, G-A-G. The bottom sequence for sickle-cell hemoglobin is C-C-T, G-T-G, G-A-G.
Sickle-cell anemia is caused by a mutation of one nucleotide in a gene. Using the diagram, which type of mutation is responsible for sickle-cell anemia?
A.
a frameshift mutation
B.
an insertion mutation
C.
an inversion mutation
D.
a substitution mutation
Answers
Answer:
D.
Explanation:
Sickle-cell anemia is caused by a point mutation, specifically a single nucleotide substitution, which is the replacement of one nucleotide in the DNA sequence with another. In the diagram provided, the wild-type hemoglobin sequence is shown as C-C-T, G-A-G, G-A-G and the sickle-cell hemoglobin sequence is shown as C-C-T, G-T-G, G-A-G. The difference between these two sequences is that the wild-type has an adenine (A) at the second position of the second codon (GAG) while the sickle-cell hemoglobin has a thymine (T) at the same position. This single nucleotide change in the DNA sequence results in a change in the amino acid sequence of the hemoglobin protein, and this is what causes the abnormal sickle-shaped red blood cells.
a species produces many offspring, the vast majority of which die prior to adulthood. this species exhibits a
Answers
This species exhibits a high reproductive potential, as it produces many offspring. However, it also experiences high mortality rates, as the vast majority of its offspring die prior to reaching adulthood.
Species have a vast variety of traits and qualities that enable them to adapt to and survive in their particular habitats. These qualities can be behavioural aspects like mating rituals and hunting tactics, as well as physical ones like size, colour, and shape. Genetics, natural selection, and environmental pressures are only a few examples of the biological and environmental elements that have an impact on these features. Species display distinctive combinations of characteristics that set them apart from other living things and enable them to inhabit particular ecological niches. It is essential to comprehend the traits and behaviours of various species in order to advance conservation efforts and obtain knowledge of the intricate interactions that exist between living things and their environments.
Learn more about species exhibits here:
https://brainly.com/question/5010601
#SPJ11
how is ethics and politics related to environmental policy
Answers
Grasslands are areas between the forests and deserts. The table below shows the amount of species per section of each of the biomes:
Which statment is true?
The grassland has more sustainability than the forest but less than the desert.
The grassland has more sustainability than the desert but less than the forest
The grassland has less biodiversity than both the forest and the desert.
The grassland has more sustainability than both the forest and the desert.
Answers
Answer: it will be the second one.
Explanation:
☆ツ
I NEEEEDDD HEELP PLZZZ
Answers
Answer:
1 red, 2 pink, 1 white
Explanation:
RW x RW = 1 RR, 2 RW, 1 WW
I assume that RR is red, RW is pink, and WW is white
Hello! Please give other person brainliest because of their hard work!
-Hu Tao 2021 (◠﹏◠✿)
comparing side a with side b, what is the orientation of the electrical potential difference (epd) across the membrane during the initial moments of flow (before noticeable changes in chemical composition have occurred)? ii. what is the magnitude of the epd across the membrane during the initial moments of flow? iii. what is the epd and chemical composition of compartments a and b at electrochemical equilibrium? a. condition a: the membrane is equally permeable to both k and cl−. b. condition b: the permeability of the membrane to k is made greater than that to cl−. c. condition c: the membrane is made impermeant to cl−, but remains permeable to k . a b 10mm kcl 100mm kcl membrane
Answers
The chemical composition will be 100mM KCl on side A and 10mM KCl on side B, with a higher potassium concentration on side A and a higher chloride concentration on side B compared to the other conditions.
Condition A:
At electrochemical equilibrium, the EPD will balance out with the concentration gradient of the ions, resulting in no net movement of ions across the membrane. The chemical composition at equilibrium will be the same on both sides: 10mM KCl on side A and 10mM KCl on side B.
Condition B:
At electrochemical equilibrium, the EPD will balance out with the concentration and permeability gradients, resulting in a higher potassium concentration on side A and a lower potassium concentration on side B. The EPD will be reduced but still present, with the chemical composition on side A having a higher potassium concentration and lower chloride concentration compared to side B.
Condition C:
At electrochemical equilibrium, the EPD will balance out with the concentration and permeability gradients, resulting in a higher potassium concentration on side A and a lower potassium concentration on side B. The EPD will be reduced but still present, with the chemical composition on side A having a higher potassium concentration and lower chloride concentration compared to side B.
In order to answer the questions regarding the orientation and magnitude of the electrical potential difference (EPD) across the membrane, as well as the EPD and chemical composition at electrochemical equilibrium, let's analyze each condition separately:
Condition A:
In this condition, the membrane is equally permeable to both potassium (K+) and chloride (Cl-) ions. During the initial moments of flow, the EPD across the membrane will be oriented from the side with higher positive charge to the side with a higher negative charge. This means that the EPD will be oriented from side B (10mM KCl) to side A (100mM KCl).
At electrochemical equilibrium, the EPD will balance out with the concentration gradient of the ions, resulting in no net movement of ions across the membrane. The chemical composition at equilibrium will be the same on both sides: 10mM KCl on side A and 10mM KCl on side B.
Condition B:
In this condition, the permeability of the membrane to potassium (K+) is made greater than that to chloride (Cl-) ions. During the initial moments of flow, the EPD across the membrane will still be oriented from side B (10mM KCl) to side A (100mM KCl) because the movement of potassium ions dominates.
The magnitude of the EPD will depend on the concentration difference and the relative permeabilities of potassium and chloride ions. With potassium having greater permeability, the EPD will be larger compared to Condition A.
At electrochemical equilibrium, the EPD will balance out with the concentration and permeability gradients, resulting in a higher potassium concentration on side A and a lower potassium concentration on side B. The EPD will be reduced but still present, with the chemical composition on side A having a higher potassium concentration and lower chloride concentration compared to side B.
Condition C:
In this condition, the membrane is made impermeant to chloride (Cl-) ions but remains permeable to potassium (K+). During the initial moments of flow, the EPD across the membrane will be oriented from side B (10mM KCl) to side A (100mM KCl), similar to Condition A, as potassium ions can still move across the membrane.
At electrochemical equilibrium, since the membrane is impermeant to chloride ions, the EPD will still be present but balanced by the concentration difference of potassium ions. The chemical composition will be 100mM KCl on side A and 10mM KCl on side B, with a higher potassium concentration on side A and a higher chloride concentration on side B compared to the other conditions.
To know more about the word equilibrium, visit:
https://brainly.com/question/14281439
#SPJ11
It is important to wear rubber gloves or a plastic face mask when administering first aid:
to keep blood or other fluids from getting on your face or hands
to protect yourself and the victim from the spread of infectious diseases
to be modest
to not only protect yourself and the victim from the spread of infectious diseases but also keep blood or other fluids from getting on your face or hands
Answers
Answer:
it's the last one
Explanation:
since you don't want to get yourself or the other person sick or infected.
Answer:
to not only protect yourself and the victim from the spread of infectious diseases but also to keep blood or other fluids from getting on your face or hands
Explanation:
Took the test
How many reactions can one molecule of catalase perform?
A)Only one
B)None
C)Many
Answers
Answer:
C) Many
Explanation:
One molecule of catalase can convert about 6 million molecules. For hydrogen peroxide, one molecule of catalase can break 40 million molecules of hydrogen peroxide each second.
1
A student investigated the effect of temperature on the diffusion of vitamin C.
Vitamin C is an important part of a balanced diet and is found in some fruits and vegetables. When
vegetables are boiled in water the vitamin C diffuses out into the surrounding water. A dialysis
tubing bag filled with vitamin C solution was used to represent a vegetable
The blue dye DCPIP was used as an indicator for the presence of vitamin C. High concentrations
of vitamin C decolourise DCPP quickly.
The student used the method described in step 1 to step 14.
Step 1
Step 2
Step 4
A syringe was used to fill a dialysis tubing bag with 10 cm³ of vitamin C solution
Step 3 A large test-tube was labelled hot. The dialysis tubing bag was put into the large
test-tube and secured in place with an elastic band, as shown in Fig. 1.1.
Step 5
Step 6
Step 7
Step 8
The outside of the filed dialysis tubing bag was rinsed by dipping it into a beaker of
distilled water
Steps 1 to 3 were repeated with a second dialysis tubing bag and a large test-tube
labelled cold
elastic band holding the
open end of the dialysis
tubing bag in place
dialysis tubing bag
containing 10 cm³
of vitamin C solution
E
large test-tube
Fig. 1.1
The large test-tube labelled hot was half-filled with hot water.
The large test-tube labelled cold was half-filled with cold water.
The temperature of the water in the large test-tube labelled hot was measured.
The temperature of the water in the large test-tube labelled cold was measured.
Answers
An increase in temperature will increase the rate of diffusion of vitamin C because temperature increase results in increase in diffusion rate.
What is the effect of temperature on the rate diffusion of molecules?Diffusion is the process of even distribution of a substance from high concentration regions to low concentration regions.
Diffusion of substances occurs as a result of difference in concentration between two points or regions known as concentration gradient.
The rate of diffusion is the time taken for a substance to diffuse.
The rate of diffusion depends on the following:
the nature of the substance - of diffusion occurs fastest in gases than on liquids or solids.temperature - diffusion rate increases with increase in temperature.concentration gradient - the rate of diffusion increases with concentration gradientTherefore, increase in temperature will increase the rate of diffusion of vitamin C.
In conclusion, the rate of diffusion depend on the nature of the substance, concentration gradient and temperature.
Learn more about diffusion at: https://brainly.com/question/94094
#SPJ1
Answer:Why the dialysis bag was rinsed in step 2?
Explanation:
List two functions of the skeleton (2)
Answers
Answer
The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals. The skeletal system is also called the musculoskeletal system.
Explanation:
What are the reactants (ingredients) of photosynthesis?
Answers
Which of the following is NOT a method for living more sustainably on Earth?a) Repair products when it breaks or gets worn out. Many brand name companies including clothing and electronic stores offer repair services for you nowb) Reuse with refillable glass or stainless stell water bottles and by shopping with cloth bags at grocery and retail stores including malls.c) Refuse to use single-use products such as plastic grocery bags and takeout utensils including straws and condiments for ketchup and soy sauce.d) Recycle by using plastic shopping bags to dispose paper/plastics/bags/metals into blue bins and composting organic waste into green bins.e) Reduce by shopping only in-store (online shipping orders have escess packaging) and buying only essential costumer products (not the latest fashion in clothing or the newest model in electronics) or think about renting seasonal items rather than buying it.
Answers
Sustainability is about maintaining the ecosystem diverse and productive, even attending the needs of production for humanity as well.
In order to do so, it's important to be careful about the disposal of any types of trash. So, avoiding to dispose of trash unnecessarily is really important, therefore A is correct. It is also important to avoid creating unnecessary trash, what happens when we chose to consume only water from plastic bottles, for example, instead of using reusable bottles. This means that B is also correct. Talking about not creating unnecessary trash, C is also correct, because it talks about avoiding single-use products. Also, avoiding the creation of unnecessary trash is related to E, because it's about avoiding excess packaging and/or avoid buying unnecessary items, reusing the same ones instead. Therefore, alternative D is incorrect, because while it talks about recycling it also incites the usage of plastic bags to dispose trash, which could be replaced by paper bags, for example.
which of these is not started by the cell theory
a cell are basic structure of living organisms
b all Cells are identical
c new cells are formed due to division in old cells
Answers
Answer:
a
Explanation:
cell are basic structure of living organisms
i just took the quiz
Kate wrote the steps of the carbon cycle to describe how carbon is cycled through specific organisms. the steps are in random order.
Answers
The Carbon Cycle is vital to the life of organisms, and shows how carbon is cycled through specific organisms. The steps of the cycle in no particular order are conversion, combustion, and respiration.
Conversion includes photosynthesis, which happens when plants use energy from the sun to convert carbon dioxide from the atmosphere into carbohydrates, releasing oxygen in the process. Combustion is when fossil fuels are burned in vehicles and other industrial processes, which releases carbon dioxide into the atmosphere.
Finally, respiration is when animals, humans, and organisms breathe, which releases carbon dioxide into the atmosphere as a result. All these steps show how the carbon cycle is essential for the plants, animals, and humans on the planet, who all rely on each other. As the different organisms take in and release carbon dioxide, the cycle continues, keeping the environment healthy and balanced.
know more about Carbon Cycle here
https://brainly.com/question/22741334#
#SPJ11
What is this Cell Called_________?
Answers
Answer: Plant cells
Explanation:
Answer:
plant cells
Explanation:
Someone please help me
Answers
The organism that would have the greatest amount of energy stored is the protozoa.
Does the organism at the bottom of the food web have the greatest energy?The organisms at the bottom of the food web (producers) typically have the greatest energy input, as they are the primary source of energy in the ecosystem. They capture the energy from the sun and convert it into organic compounds.
They may not have the greatest biomass or individual energy content compared to higher trophic levels.
Learn more about food web:https://brainly.com/question/30062179
#SPJ1
Which features demonstrates cold adaptation among neandertals?
Answers
Neanderthals demonstrated several features that indicate cold adaptation, including robust body structure, large nasal cavities, and specialized cranial features.
Neanderthals, an extinct species of humans, inhabited regions with cold climates during the Pleistocene era. Their physical features indicate adaptations to survive in such environments. Firstly, Neanderthals had a robust body structure with stocky builds and shorter limbs, which helped them retain body heat in colder conditions. This body shape reduced the surface area-to-volume ratio, minimizing heat loss.
Secondly, Neanderthals had large nasal cavities, which are believed to have been advantageous in cold environments. The increased nasal volume allowed for the warming and humidification of cold, dry air before it reached the lungs, reducing the risk of respiratory issues caused by inhaling cold air.
Lastly, Neanderthals possessed specialized cranial features, such as a prominent brow ridge and a low, elongated skull. These features may have helped protect their faces and brains from the harsh elements, including cold temperatures and physical stress.
Together, these adaptations suggest that Neanderthals were well-suited to survive in cold climates by minimizing heat loss, protecting their respiratory systems, and providing physical protection. These cold adaptations were likely beneficial for their survival in the challenging environments they inhabited during their existence.
Learn more about Neanderthals here
https://brainly.com/question/29729712
#SPJ11
difficulty in swallowing may be a sign of damage to which cranial nerve(s)?
Answers
Difficulty in swallowing may be a sign of damage to the glossopharyngeal nerve (cranial nerve IX) and/or the vagus nerve (cranial nerve X).
These nerves are responsible for controlling the muscles involved in swallowing and damage to either of them can lead to difficulty in swallowing or even complete inability to swallow.
Difficulty in swallowing, also known as dysphagia, can be a sign of damage to several cranial nerves, as well as other structures involved in the swallowing process. However, the most commonly implicated cranial nerve in dysphagia is the glossopharyngeal nerve (CN IX).
The glossopharyngeal nerve provides motor innervation to the stylopharyngeus muscle, which helps elevate the pharynx during swallowing. It also provides sensory innervation to the posterior one-third of the tongue, the oropharynx, and the tonsils, which are involved in the taste and sensation of food.
Other cranial nerves that can be involved in dysphagia include the vagus nerve (CN X), which innervates the muscles of the pharynx and esophagus, and the hypoglossal nerve (CN XII), which innervates the tongue muscles.
Damage to these nerves can result in difficulty with initiating and coordinating the complex sequence of movements required for swallowing.
To know more about glossopharyngeal nerve refer here:
https://brainly.com/question/31640547#
#SPJ11
What is true of table salt?
D.It has simple molecules.
C.It has only one element.
B.It is an ionic compound.
A.It has radicals.
Answers
Answer:
c because it is
You are concerned that your significant other cheated on you and they are not the mother/father of the baby! Luckily for you, you know all about blood typing and how it works. Your baby is type B blood. You are type A blood. You think your significant other is type A blood. Is your significant other faithful? Explain using a Punnett square how you know.
Answers
Here is some info from the red cross...Universal donors are those with an O negative blood type. Why? O negative blood can be used in transfusions for any blood type.
Type O is routinely in short supply and in high demand by hospitals – both because it is the most common blood type and because type O negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants.
Approximately 45 percent of Caucasians are type O (positive or negative), but 51 percent of African-Americans and 57 percent of Hispanics are type O. Minority and diverse populations, therefore, play a critical role in meeting the constant need for blood.
Types O negative and O positive are in high demand. Only 7% of the population are O negative. However, the need for O negative blood is the highest because it is used most often during emergencies. The need for O+ is high because it is the most frequently occurring blood type (37% of the population).
The universal red cell donor has Type O negative blood. The universal plasma donor has Type AB blood. For more about plasma donation, visit the plasma donation facts. There are very specific ways in which blood types must be matched for a safe transfusion. The right blood transfusion can mean the difference between life and death.
Every 2 seconds someone in the US needs a blood transfusion.
Use the interactive graphic below to learn more about matching blood types for transfusions.
Also, Rh-negative blood is given to Rh-negative patients, and Rh-positive or Rh-negative blood may be given to Rh-positive patients. The rules for plasma are the reverse.
Answer:
Type O is routinely in short supply and in high demand by hospitals – both because it is the most common blood type and because type O negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants.
Approximately 45 percent of Caucasians are type O (positive or negative), but 51 percent of African-Americans and 57 percent of Hispanics are type O. Minority and diverse populations, therefore, play a critical role in meeting the constant need for blood.
Explanation:
The oceans formed as a result of:
(1) oxygen producing organisms
(2) out gassing from volcanoes
(3) meteorite impacts bringing water from outer space
(4) transpiration from early plants
Answers
what organelles convert energy from one form to another, have their own dna, and are surrounded by a double membrane?
Answers
Answer:
Mitochondria
Explanation:
convert energy from one form to another, have their own genetic material, surrounded by double membrane.
Answer: Chloroplasts and Mitochondria
how would mutations that completely ablate [remove/destroy] the function of the androgen receptor impact the phenotypic development of humans with xy chromosomes?
Answers
Patients with mutations that entirely abolish the androgen receptor's function and affect the phenotypic development of persons with XY chromosomes will manifest as phenotypically female.
Dose-Sensitive Sex Reversal Locus on Chromosome X, Gene 1 (DAX1), also known as Nuclear Receptor Subfamily 0, Group B, Member 1 (NR0B1), is a transcription factor that belongs to the nuclear hormone receptor superfamily and primarily functions as a transcriptional repressor.
Male-to-female sex reversal is associated with duplication of the DAX1/NROB1 gene because external genital differentiation ranges are unknown.
The XX males who are SRY-positive have two X chromosomes, one of which contains genetic material from the Y chromosome, making them phenotypically male but genetically female. Males and females differ by having one X and one Y chromosome in each diploid cell of their bodies.
The DAX1 protein may have a direct or indirect impact on how gonadal hormones regulate the hypothalamic-pituitary system.
The complete question is:
How would mutations that completely ablate the function of the androgen receptor impact the phenotypic development of humans with XY chromosomes?
(A). Patients would appear phenotypically female.
(B). Patients would appear phenotypically male with underdeveloped secondary sex characteristics.
(C). Patients would appear phenotypically male, but cannot produce sperm.
(D). Patients would express both male and female secondary sex characteristics.
To learn more about chromosomes please click on the given link: brainly.com/question/29514935
#SPJ4
Describe one way that carbon can get from a land plant to the atmosphere.
Answers
Answer:
when plant couldn't grow it decompose to form part of the soil and provide nutrients into the soil. when wind blows the soil nutrients, some diffuse into the atmosphere. A brown lizard that has invaded some areas of Florida
you have to fill in the question what is the name of the brown lizard please help
Thanks
Answers
Answer:
The Brown Anole (Anolis sagrei)
Explanation:
The Brown Anole (Anolis sagrei), sure didn’t waste any time settling in and getting established since their introduction from the Caribbean to southern Florida in the early 1970’s. They have since extended their list of conquered states to Georgia, Texas, Hawaii, and California.
*I think this is the one you need, if you meant a brown lizard that invaded Florida recently, then I have no clue.
Answer:
Brown Anole
Explanation:
Anyone good in Biology?
Answers
Answer:
6 Cell Organelles
Nucleus. nucleus; animal cellA micrograph of animal cells, showing the nucleus (stained dark red) of each cell. ...
Ribosomes. Ribosomes are the protein factories of the cell. ...
Endoplasmic reticulum. ...
Golgi apparatus. ...
Chloroplasts. ...
Mitochondria.Explanation:Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not