Speciation has happened due to river that split one population into two. These two populations become different species with course of time.
Speciation is defined as the division of an existing species into daughter species or the transformation of an existing species into a new one without the development of any lineage species. There occurs the creation of new species when a river divides an existing population into two new populations. These species cannot interbreed because of their distinct reproductive systems.
A period of geographic separation causes groups from an ancestral population to diverge into distinct species in allopatric speciation.
Without any geographical separation, groups from the same ancestral population diverge into distinct species in a process known as sympatric speciation.
Hence, speciation is process of formation of new species from existing .
To know more about Types of Speciation.
https://brainly.com/question/2799243
#SPJ4
which persuasive technique is used in the following excerpt to make a claim about the impact of climate change?
Answer:
By providing the numbers in which methane is more powerful than carbon dioxide the author is appealing to the scientific facts to convince people that the greenhouse effect is destroying our planet, and that global warming is a reality that we must counter attack and treat as a priority.
Explanation:
For anyone with this question as a multiple choice question, itś D.
PLEASE HELP ME FAST!!!!!!!!!
Answer:
pseudoscience is the correct answer
Explanation:
//pseudoscience// A theory, methodology, or practice that is considered to be without scientific foundation.
Answer:
These are examples of Pseudoscience
10. Identify the part of the Brain that is crucial in integrating sensory and visual information
(1 point)
Frontal Lobe
O Temporal Lobe
Occipital Lobe
Parietal Lobe
Cerebellum
Pon
Medulla oblongata
Answer:
Parietal Lobe
Explanation:
Answer:
C) Occipital Lobe
Explanation:
I Asked My Mom's Friend Who's A Teacher
the sympathetic division of the ans causes ___________ airway dilation relaxation of the diaphragm decreases in breathing rates contraction of smooth muscles lining the bronchioles
The sympathetic division of the ANS causes B) airway dilation.
The sympathetic division of the autonomic nervous system (ANS) is responsible for the body's "fight or flight" response, which is triggered in times of stress, danger, or excitement. This response prepares the body for immediate action by activating certain physiological changes.
When the sympathetic division is activated, it causes the dilation or widening of the airways in the lungs. This is achieved through the relaxation of the smooth muscles that line the bronchioles, which are the small air passages in the lungs. By relaxing these smooth muscles, the diameter of the bronchioles increases, allowing for improved airflow and increased oxygen delivery to the body's tissues.
Airway dilation is an important response during the "fight or flight" response because it enhances the individual's ability to take in more oxygen and deliver it to the muscles, enabling them to respond quickly and effectively in a potentially threatening or demanding situation.
The other options listed are not accurate:
A) Contraction of smooth muscles lining the bronchioles would result in the narrowing of the airways, reducing airflow.
C) Relaxation of the diaphragm is not a direct effect of the sympathetic division. The diaphragm is primarily controlled by the somatic nervous system.
D) Decreases in breathing rates are not a direct effect of the sympathetic division. The sympathetic division generally increases physiological responses, including breathing rates, to prepare the body for action.
In summary, the sympathetic division of the ANS causes airway dilation by relaxing the smooth muscles lining the bronchioles, allowing for increased airflow and improved oxygenation of the body's tissues.
To know more about sympathetic division of the ANS follow the link:
https://brainly.com/question/30395432
#SPJ4
The correct question is:
The sympathetic division of the ANS causes
A contraction of smooth muscles lining the bronchioles
B airway dilation
C relaxation of the diaphragm
D decreases in breathing rates
what are two organisms in the food web that have a predator-prey relationship? i need examples
Answer:
Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit. The words "predator" and "prey" are almost always used to mean only animals that eat animals, but the same concept also applies to plants: Bear and berry, rabbit and lettuce, grasshopper and leaf.
Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit.
What do you mean by predator-prey relationship?In the predator prey relationship, one species is feeding on the other species. The prey species is the animal being fed on, and the predator is the animal being fed. The predator prey relationship develops over time as many generations of each species interact.
Predator and prey populations cycle through time, as predators decrease numbers of prey. Lack of food resources in turn decrease predator abundance, and the lack of predation pressure allows prey populations to rebound.
The relationships between predators and prey play an important role in structuring ecological communities, with predators influencing the dynamics of their prey in ways that cascade through ecosystems.
Learn more about predator-prey relationships:
https://brainly.com/question/1778577
#SPJ6
How are genes and proteins related?
O A. One gene codes for one protein.
B. Genes and proteins are both made of DNA.
C. Both are made from amino acids.
O D. Proteins are made of parts of genes.
Answer:
A.
Explanation:
Most genes contain the information needed to make functional molecules called proteins. (A few genes produce other molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell. It consists of two major steps: transcription and translation.
Write a lab report for this lesson’s lab. Be sure that your report:
includes all major elements of a lab report.
meets your teacher’s content and format expectations.
is clearly organized and formatted.
demonstrates strong scientific reasoning and writing.
While writing, you can revisit previous parts of the lesson by returning to the course map. Be sure to refer to the
lab’s student guide, which you can find on the first page of the lab experiment activity. You may also find it
helpful to refer to the remaining pages of this guide, which provide general guidelines for writing lab reports.
Here is the example of Lab Report: Photosynthesis which has all the points.
Aim of experiment - What is the aim of this lab? What query is it looking to solution, or what hassle is it looking to explain? Write your solution below.HypothesisAfter studying the lab instructions - however earlier than beginning the lab - report your best "knowledgeable guess" approximately what is going to manifest withinside the experiment. Give your motives and description any assumptions that lead you to this hypothesis. Write your solution below.Experimental DesignMaterial used on this lab, and a short rationalization of the strategies you followed. (You do now no longer want to retype the procedure; really summarize your strategies). Add #'s wherein necessary.Procedure (listing steps withinside the order in that you carried out them)Record the facts you accumulated withinside the lab. Answer all the questions below.Experiment 1 Data and Observations: 1. Record the preliminary pH fee of the water withinside the beaker:Record the pH fee of the water withinside the beaker at:Record the conduct of the sparkling splinter after its located withinside the take a look at tube.Note the result.What is lab report ?Lab reviews are written to explain and examine a laboratory test that explores a systematic concept. They are normally assigned to allow you to: Conduct clinical research. Formulate a hypothesis/hypotheses approximately a specific stimulus, event, and/or behaviour.
Thus it is well explained.
To learn more about the lab reports refer to link :
https://brainly.com/question/1405868
I need help putting these in proper order plz ASAP!!!
Answer:
identify, research, make a hypothesis, test hypothesis, observe and record, arrive at a conclusion
Explanation:
charles scott sherrington proposed that rapid stimulation of a specific synapse is likely to produce a cumulative effect in the postsynaptic cell because of
Charles Scott Sherrington proposed that rapid stimulation of a specific synapse is likely to produce a cumulative effect in the postsynaptic cell because of temporal summation.
Temporal summation refers to the process by which the postsynaptic cell integrates incoming signals over time. When a synapse is rapidly stimulated, it produces a series of EPSPs (excitatory postsynaptic potentials) that can add up or summate over time. If the summation of these EPSPs reaches the threshold for firing an action potential, the postsynaptic cell will fire.
In other words, Sherrington suggested that the timing and frequency of neural signals are critical in determining whether a neuron will fire. If the signals arrive in rapid succession, they can summate to produce a larger effect than individual signals alone. This concept is important in understanding how neural circuits in the brain process information and generate behavior.
learn more about postsynaptic cell
https://brainly.com/question/7234693
#SPJ11
Which of these statements indicates an experiment is systematic?
A. The experiment is repeated many times.
B. The experiment is about a testable question.
C. The experiment is very complicated and uses lots of chemicals.
D. The experiment includes a good plan for what measurements to take.
Answer:
Since the control is different, making an accurate prediction for this test is difficult.
Explanation:
Wyatt has heart problems
Answer:
If Wyatt has heart problems, Wyatt can eat healthy foods to try and decrease the problems, Wyatt can also make sure that his weight and blood pressure isn't to high. Wyatt can try to get seen at the hospital to make sure everything is fine.
3. Organelles that digest waste molecules or food particules are known as
lysosomes
centrioles
ribosomes
Golgi bodies
Answer:
it's answer is lysosomes
Which of the following doesn’t augment the concentration of oxygen in the atmosphere?
A) Photosynthesis B) Ozone Decomposition C) Water Decomposition D) Phytoplankton photosynthesis E) None of these
The following doesn’t augment the concentration of oxygen in the atmosphere Ozone Decomposition (Option B).
Ozone decomposition does not increase the concentration of oxygen in the atmosphere because it breaks down ozone into oxygen. The oxygen already exists in the atmosphere and no new oxygen is produced as a result.
Photosynthesis, water decomposition, and phytoplankton photosynthesis, on the other hand, are all responsible for increasing the oxygen concentration in the atmosphere. Photosynthesis is the process by which plants produce oxygen. Water decomposition is the process of breaking down water into hydrogen and oxygen gas. Phytoplankton photosynthesis is the process by which phytoplankton produce oxygen through photosynthesis.
Hence, the correct option is B) Ozone Decomposition.
Learn more about Photosynthesis: https://brainly.com/question/29764662
#SPJ11
The correct is option C) Water Decomposition. The concentration of oxygen in the atmosphere is not augmented by water decomposition. The water molecule (H2O) is a compound that contains oxygen, but when it undergoes decomposition, it does not release oxygen as a product.
In fact, during water decomposition, the oxygen that is present in the molecule combines with hydrogen atoms to form water molecules, thereby decreasing the amount of free oxygen in the atmosphere.Photosynthesis, on the other hand, is a process by which plants use sunlight to convert carbon dioxide and water into organic matter and oxygen. This process is responsible for producing most of the oxygen in the atmosphere, making it the primary source of oxygen.Ozone decomposition also contributes to the concentration of oxygen in the atmosphere. Ozone (O3) is a molecule that contains three oxygen atoms and is an important component of the ozone layer, which protects the Earth from harmful UV rays. When ozone decomposes, it releases free oxygen into the atmosphere.
Phytoplankton photosynthesis is another process that contributes to the concentration of oxygen in the atmosphere. Phytoplankton are microscopic algae that live in aquatic environments, and they are responsible for producing a significant amount of the oxygen in the atmosphere.
To know more about Water Decomposition visit:-
https://brainly.com/question/30886279
#SPJ11
6. the fossils of a rare flying animal are found in a layer rock. which information can be gathered by studying the fossil?
The information that can be gathered by studying the fossil is where the animal died.
Fossils are preserved remain(s), impression, or trace of any once-living thing that was living from a past geological age. They are mostly found in the form of bones, shells, exoskeletons, and stone imprints; but some objects are also preserved in petrified wood, amber, or even DNA remnants.
The major information that can be gathered from a fossil is the place where the organism died. With the current technology and techniques, you can also estimate the age of the fossil by measuring the age of the rock where it is found.
Learn more about fossil at https://brainly.com/question/29638332
#SPJ4
4) The human body stores fats as
Adipose (fat) cells are specialized for the storage of energy in the form of triglycerides, but research in the last few decades has shown that fat cells also play a critical role in sensing and responding to changes in systemic energy balance.
which organism would have had to evolve a homeostatic mechanism to cope with the greatest amount of solutes?
The organism that would have had to evolve the most advanced homeostatic mechanism to cope with the greatest amount of solutes would likely be a marine invertebrate.
In order to answer this question, we need to understand what homeostasis is and how it relates to solutes. Homeostasis refers to the ability of an organism to maintain stable internal conditions despite changes in the external environment. One important aspect of homeostasis is maintaining a balance of solutes within the body. Solutes are particles, such as ions or molecules, that are dissolved in a fluid, such as blood or cytoplasm.
The organism that would have had to evolve the most advanced homeostatic mechanism to cope with the greatest amount of solutes would likely be a marine invertebrate, such as a jellyfish or sea cucumber. This is because these organisms live in a highly saline environment, with a much higher concentration of solutes than most terrestrial or freshwater organisms. To maintain a balance of solutes within their bodies, marine invertebrates have evolved specialized structures, such as contractile vacuoles and ion transporters, that allow them to regulate the movement of solutes across their cell membranes.
In contrast, terrestrial organisms, such as mammals and birds, have evolved mechanisms to conserve water and excrete excess solutes, since they typically live in environments with lower concentrations of solutes. Freshwater organisms, such as fish and amphibians, face the opposite challenge of taking in too much water and losing solutes, and have evolved mechanisms to actively transport solutes into their bodies and excrete excess water.
Overall, the organism that has had to evolve the most advanced homeostatic mechanism to cope with the greatest amount of solutes is likely to be a marine invertebrate, due to the extreme salinity of their environment.
To know more about homeostatic mechanism, refer to the link below:
https://brainly.com/question/3698228#
#SPJ11
Which options identify functions that cells carry out to support life?
(Select all that apply.)
remove waste materials
fight foreign cells or harmful molecules
avoid burning food molecules to save energy
Oburn food molecules to produce energy
What do cells take in and give out?
Image result for cells carry out to support life? (Select all that apply.) remove waste materials fight foreign cells or harmful molecules avoid burning food molecules to save energy Burn food molecules to produce energy
During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP
What can be the outcome of a conclusion that has been verified various times?
Answer:
Positive
Explanation:
Scenario: A horticulturist (plant scientist) complains to the city that a nearby residence is ruining his flowers
because of the detergent being used to wash their cars. The soap ruins into a stream that goes near his flower beds.
As an inquiring scientist, you want to find out whether soap can affect flower growth.
1. (pts) What is the scientific question that is being asked by the horticulturist (plant scientist) in the background
Information?
2. (6pts) Therefore what is the Independent Variable (IV) that you're going to test?
3. (6pts) The Dependent Variable (DV) is what is affected by the Independent Variable. What is the Dependent Variable
In this experiment?
4. (12pts) Based on the scientific question (or problem), develop a hypothesis (prediction) that you are going to test by
performing the experiment.
IV
then
DV
11
because
• Perform the experiment by setting up your Control group and Ex
Answer:
1. Scientific question: Can detergent affect flower growth?
2. IV: The soap used in the study
3. DV: Flower growth
Explanation:
A scientific question is a well-sustained question about a given phenomenon of the real world which can be answered by experimental and/or observational procedures. A good scientific question must be testable and lead to falsifiable hypotheses. The dependent variable is the variable that is being measured in the experiment, (i.e. it is being affected by the experimental procedure). On the other hand, the independent variable is the variable that isn't changed by the other variables that are being measured in the experiment.
during the process of meiosis, part of one chromosome detaches and reattaches to a different chromosome in the cell of an individual. which of the the following is true regarding this mutation?
In a person's cell, meiosis occurs when a portion of one chromosome separates and attaches to another chromosome. The individual's progeny might inherit the mutation.
When a chromosome segment dissociates (detaches) and reattaches to a different, nonhomologous chromosome, the process is known as translocation. Depending on how the placements of genes in relation to regulatory sequences are altered, translocations can be beneficial or have disastrous consequences.
Notably, particular translocations have been linked to schizophrenia and a number of malignancies. When two nonhomologous chromosomes exchange chromosome regions, a reciprocal translocation occurs in which no genetic information is gained or lost.
a chromosomal abnormality in which a chromosome segment separates and reattaches in the opposite direction.
To know more about chromosomes:
brainly.com/question/29430162
#SPJ4
During the process of meiosis, part of one chromosome detaches and reattaches to a different chromosome in the parent cell of an individual. Which of the following is TRUE regarding this mutation?
- The mutation could get passed on to the individual's offspring.
- The mutation could cause cancer in the individual.
- The mutation will affect only somatic cells in the individual.
- The mutation could affect protein production in other cells of the body.
listed following are several objects in the solar system. rank these objects from left to right based on their distance from the sun, from closest to farthest. view available hint(s)
Based on their distance from the Sun, the objects in the solar system can be ranked from closest to farthest as follows:
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto (dwarf planet).
The order of objects in the solar system from closest to farthest can be remembered using the mnemonic: "My Very Educated Mother Just Served Us Nine Pizzas", where the first letter of each word represents the first letter of the planets in their order of distance from the Sun (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto).
However, please note that Pluto is now classified as a dwarf planet by the International Astronomical Union (IAU), and its status as a planet is a matter of scientific debate.
To know more about solar system refer here :-
https://brainly.com/question/12075871#
#SPJ11
Which changes are environmental effects of farming?
Choose all correct answers.
soil erosion
habitat loss
increased air temperatures
poisoned wildlife from pesticides
Answer:
it is soil erosion, habitat loss and poisoned wildlife from pesticides.
Explanation:I took the test just now and I got the question right.
The environmental effects of farming include soil erosion, habitat loss, and poisoned wildlife from pesticides.
What are environmental effects of farming?Farming can have significant environmental effects, both positive and negative. On the positive side, farming can help to sustain and enhance biodiversity by providing habitat for wildlife and conserving genetic diversity in crops and livestock. Farming can also help to mitigate climate change by sequestering carbon in soils and reducing greenhouse gas emissions from energy use and land use change.
However, farming can also have negative environmental effects, such as soil erosion, water pollution, habitat loss, and pesticide contamination. Other negative effects include the depletion of soil nutrients, the loss of topsoil, and the emission of greenhouse gases from livestock and fertilizer use. Addressing these negative effects requires a holistic approach that considers the interconnections between agriculture, ecosystems, and human wellbeing.
Learn more about farming, here:
https://brainly.com/question/1103936
#SPJ2
Describe TWO WAYS technology has created more waste by humans.
I need an answer now.
Answer:
Hazardous type: This type poses potential threats to the environment and human life. Battery wastes from thrown away technology.
Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for refurbishment, reuse, resale, salvage recycling through material recovery, or disposal are also considered e-waste.
QUICK, IF ANYONE CAN ANSWER CORRECTLY AND TRUTHFULLY I WILL GIVE 100 POINTS!
Q. My dad's fields aren't producing as many crops as they used to. Mark all the ones below that he could do to help the soybeans and alfalfa (to make hay) grow better.
A.Add more Nitrogen in the air around the plants.
B.Add more Nitrogen as a part of fertilizer.
C.Add nitrogen-fixing bacteria.
D.Add more rocks to the land.
Answer:
B, and C.
Explanation:
Do you think that plants can get the building materials they need to grow from soil wateror air? Which ones? Explain your answer
Some cats have bobtails, which are short, stumpy tails that result from an inherited, recessive genotype (tt). normal length tails are dominant in cats (tt, tt). when a cat with a bobtail is crossed with a cat that is heterozygous for normal tail length, what is the likelihood that the offspring will have a bobtail?
a. 75%
b. 50%
c. 25%
d. 0%
The offspring of a bobtail cat and a cat with heterozygous normal tail length has a 50% chance of having bobtails. The correct answer is option(b).
An offspring is homozygous (homo message "unchanging") for a deoxyribonucleic acid when it acquires two copies of the unchanging allele. An offspring concedes the possibility be homozygous passive (RR) or homozygous main (TT) (tt).
An offspring may be homozygous passive (RR) or homozygous main (TT) ( tt ). Heterozygous refers to a creature that carries two unconnected alleles (Tt) for the gene (hetero-resources various). The characteristics that are seeable are referred to as phenotypes. Due to the infrequency of most passive diseases, an offspring is more inclined to have an individual if their persons are accompanying. It is more likely for related folk to share a unique deoxyribonucleic acid from a universal forefather.
To know more about Heterozygous refer to: https://brainly.com/question/25396374
#SPJ4
Why was the lion fish able to go from a very small initial population on the coast of Florida to taking over the Atlantic coast and Bahamas
Answer and Explanation:
Due to the lionfish not having any known predators in this region, it was able to reproduce with ease and no worry of any attackers, so nothing to keep the animal in check.
Because of this, the animal became an invasive species, and the people are trying their best to get rid of the species here by allowing anyone to catch it (with a permit/license as so non-permit people don't harm themselves) at anytime of year.
#teamseas #CTO (Clean The Ocean)
I hope this helps!
FILL IN THE BLANK. after the centromeres separate during mitosis, the sister chromatids, now called _______, move toward opposite poles of the spindle.
After the centromeres separate during mitosis, the sister chromatids, now called daughter chromosomes, move towards the opposite poles of the spindle.
Mitosis is the process by which somatic cells divide to produce two genetically identical daughter cells. The different stages of mitosis are prophase, metaphase, anaphase, and telophase. During prophase, the chromosomes become condensed and visible, and the spindle begins to form.
The nuclear envelope begins to disintegrate, allowing the spindle fibres to attach to the kinetochores located at the centromeres of the chromosomes. During metaphase, the chromosomes align at the equatorial plate, the spindle fibers attach to the kinetochores at the centromeres, and the sister chromatids of each chromosome are under tension and ready to separate.
This is the phase where the chromosomes are located at the center of the spindle apparatus.During anaphase, the spindle fibers begin to shorten, pulling the sister chromatids apart towards opposite poles of the spindle. The sister chromatids are now referred to as daughter chromosomes.
During telophase, the daughter chromosomes reach their respective poles, and the nuclear envelope reforms around each set of chromosomes. Cytokinesis, the physical separation of the two daughter cells, occurs during telophase as well.
To know more about mitosis click here:
https://brainly.com/question/29776367
#SPJ11
The lymphatic system helps to remove bacteria and other microorganisms from the body. Why would this be important to you?
Answer:
Protects your body against foreign invaders: The lymphatic system is part of the immune system. It produces and releases lymphocytes (white blood cells) and other immune cells that monitor and then destroy the foreign invaders — such as bacteria, viruses, parasites and fungi — that may enter your body.
Many spiders weave webs to help them trap insects. Explain why weaving a web is instinctive or learned
Animal behavior that does not need to be learned is instinct. A spider never acquires the ability to spin its web. It is born with the ability to spin a web. Therefore, it is an instinctive action.
An animal's ability to perform a behavior the first time it is exposed to the appropriate stimulus is known as an instinct. The primary purpose of spiders' webs is to catch food. An insect, like a fly, gets stuck on the sticky threads of a spider's web when it enters the web.
Since spiders are born with the ability to weave webs, no one needs to teach them how to do so. They are born with this ability. A silk thread is released by a spider whenever it starts a web. Everywhere it builds its web, it fixes the thread to something, like a branch, a corner of a room, or a doorframe.
To learn more about Animal behavior here
https://brainly.com/question/7591068
#SPJ4