Name three ways the environment in the ocean is different than life on land.
Answers
Answer:
Explanation:
Marine organisms produce over half of the oxygen that land animals currently need to breathe. ... Most sea animals extract oxygen directly from ocean water, while land animals breathe air from Earth's atmosphere, which consists of about 21 percent pure oxygen
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PLSS HELP!! 80 POINTS The crabs that live in the aquatic biome pictured depend on living in
shallow water that has a temperature no greater than 60 degrees F. If climate change
causes an increase of that water’s temperature to 62 degrees F, what will likely happen to the dolphins in that biome, and why?
80 POINTS
Answers
Answer:
The dolphin population may diminish a little.
Explanation:
Crabs are one of the many things dolphins eat, and, as the prompt suggests, they cannot live in temperatures greater than 60 degrees F. If climate change makes the temperature 62 degrees F, the crab population will all die. However, note that dolphins do not only eat crabs, as they have other food sources. However, crabs are a major population, so we can see a disruption in the food web, with there being fewer dolphins than usual.
The map below shows the intensity of a drought in the United States during a particular year.
Based on the map, which of the following most likely occurred during this year in the region labeled X?
A. Competition among organisms for water decreased.
B. The average reproduction rate of animals increased.
C. The average amount of fruit produced by fruit trees increased.
D. The average growth rate of large trees decreased.
Answers
The most likely event that occurred during this year of drought in the region labeled X is: The average growth rate of large trees decreased.
The correct option is D.
What is drought?Drought is an environmental condition that occurs as a result of the lack of rainfall such that water is not available for the use of man as well as for animals and plants.
During periods of drought, there is a lack of growth of vegetation, trees and rivers and streams dry up.
This poses a great danger to animal life as well as plant life.
Some major reasons for drought are:
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For summer squash, the dominant allele Y for gene 1 leads to yellow color while the recessive allele y leads to green color. Alleles of gene 2 can prevent color formation, with the dominant allele W leading to white squash while the recessive allele w does not interfere with color development. How many phenotypes would be observed among the offspring of the following cross: YyWw x YyWw
Answers
Answer:
Three phenotypes:
12/16 individuals are expected to be white3/16 individuals are expected to be yellow1/16 individual is expected to be greenExplanation:
Available data:
Gene 1 → Dominant allele Y ⇒ yellowRecessive allele y ⇒ green
Gene 2 → Dominant allele W ⇒ prevent color ⇒ WhiteRecessive allele w ⇒ Does not prevent color
Cross:
Parentals) YyWw x YyWw
Gametes) YW, Yw, yW, yw
YW, Yw, yW, yw
Punnett square) YW Yw yW yw
YW YYWW YYWw YyWW YyWw
Yw YYWw YYww YyWw Yyww
yW YyWW YyWw yyWW yyWw
yw YyWw Yyww yyWw yyww
F1) Genotype
1/16 YYWW2/16 YYWw1/16 YYww2/16 YyWW4/16 YyWw2/16 Yyww1/16 yyWW2/16 yyWw1/16 yywwPhenotype
12/16 white individuals ⇒ Y-W-, yyW- (Dominant W allele is present, inhibiting the expression of color)3/16 yellow individuals ⇒ Y-ww (Dominant W allele is absent, so color can be expressed. Y allele determinates yellow color)1/16 green individuals ⇒ yyww (Dominant allele W is absent, so color can be expressed. Only y alleles are presents coding for green color)If a cell doesn't have enough DNA to make all of the proteins it needs, it cannot survive. True or False?
Answers
The answer for that statement is True.
a man with hemophilia (a recessive, sex-linked condition) has a normal daughter, who marries a normal man. what is the probability that a daughter will be a hemophiliac? a son? if the couple has four sons, that all will be affected?
Answers
Answer:
read explanation
Explanation:
suppose the daughter has the reccesive gene and so does her husband the chances are aproximatly 25% in that case one of the 4 sons will be affected
Moving wind can erode
material from one location and deposit it in a new location. What other agent can cause both erosion and
deposition?
A. wave action
В.
running water
C. moving ice
D.all of these
Answers
All of the above listings cause erosion and deposition.
what is the approximate maximum population size for moose in the isle royale simulation under a normal growing season and without any wolves present on the island? while the exact number that you saw in your simulation my not be an option, select the option that comes closest to what you saw in your simulation.
Answers
The approximate maximum population size for moose in the Isle Royale simulation under a normal growing season and without any wolves present on the island is around 900. During the Isle Royale simulation, it was observed that when wolves were removed from the ecosystem, the population size of the moose increased to its carrying capacity and then experienced a decline due to starvation. Without predators, the moose population increased exponentially and consumed all of the available resources until they were depleted, which resulted in a decline in the population size.
Therefore, the approximate maximum population size for moose in the Isle Royale simulation under a normal growing season and without any wolves present on the island is around 900. This number comes close to what was observed in the simulation, as the moose population reached its carrying capacity before declining due to starvation. It is essential to maintain a balance between predators and prey to ensure the sustainability of an ecosystem and prevent the depletion of resources.
In conclusion, the absence of wolves in the Isle Royale simulation led to an exponential increase in the moose population until it reached its carrying capacity of approximately 900. However, the subsequent depletion of resources caused a decline due to starvation.
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Blood pressure is maintained relatively constant even when the internal or external environment changes. Effectors are parts of the body that receive signals from a control center. Which of the following is an effector in the system that maintains blood pressure?
sensory receptors for blood pressure.
the resistance that must be overcome for blood to flow.
cardiac muscle.
blood volume.
Answers
Cardiac muscle is an effector in the system that maintains blood pressure.
A body part known as an effector is one that receives signals from a control center and responds to them in order to keep homeostasis. The regulatory systems that monitor and control blood pressure levels would be the control center in the context of sustaining blood pressure.
In this instance, the effector is the heart muscle, which contracts or relaxes in response to signals from the control center to modify the force and rate of blood flow, which in turn affects blood pressure.
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Which action reflects promotion of genomic care as part of comprehensive health care? Select one: a. Instructing patients who undergo genetic testing about their obligation to inform family members regarding test results b. Ensuring that genomic issues potentially influencing a person's health are incorporated into routine care c. Calculating the odds ratios and recurrence risks of common complex health problems for all people d. Encouraging all people to undergo genetic testing as part of a proactive health screening prevention program
Answers
The action that reflects the promotion of genomic care as part of comprehensive health care is "ensuring that genomic issues potentially influencing a person's health are incorporated into routine care. "Explanation: Genomic care is part of comprehensive health care that has the potential to improve health outcomes.
Genomic care focuses on the way a person's genes and environmental factors interact to influence their health, including the risk of disease. It is vital to incorporate genomic issues potentially influencing a person's health into routine care. By doing so, the health care provider can identify the genetic variants that increase an individual's susceptibility to disease and tailor the person's health care accordingly.
Healthcare providers should also develop a treatment plan based on the patient's specific genetic profile and recommend preventive measures to reduce the risk of developing certain conditions. Therefore, ensuring that genomic issues potentially influencing a person's health are incorporated into routine care reflects the promotion of genomic care as part of comprehensive health care.
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post-synaptic inhibitory potentials (ipsps) group of answer choices(a) are formed when postsynaptic membrane permeability increases for k (b) are a type of graded potential(c) are formed when the postsynaptic permeability for cl- ions increases(d) a and c(e) all of the above
Answers
Post-synaptic inhibitory potentials (IPSPs) group of answer choices(a) are formed when postsynaptic membrane permeability increases for k (b) are a type of graded potential(c) are formed when the postsynaptic permeability for cl- ions increases. The correct answer is (e) all of the above.
Post-synaptic inhibitory potentials (IPSPs) are the hyperpolarizations of postsynaptic potentials. They result from the binding of neurotransmitters to receptors on the postsynaptic membrane. The permeability of the postsynaptic membrane increases for chloride (Cl−) or potassium (K+) ions, which results in the hyperpolarization of the membrane potential. As a result, the membrane potential is more negative than the resting potential and more difficult to depolarize. The postsynaptic potential is proportional to the quantity of neurotransmitter that was released and the number of receptors on the postsynaptic membrane. The postsynaptic inhibitory potentials (IPSPs) are a kind of graded potential, which means they can have varying amplitudes and durations, depending on the quantity of neurotransmitter released.
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Because we know that DNA has complementary strands, what is
the complementary strand for DNA if one strand is:
3' ATGGGCAACGTCAT 5'
Answers
Answer:
TACCCGTTGCAGTA
Explanation:
A > T
T > A
C > G
G > C
How do the distribution of organisms change with time?
Answers
The distribution of organisms might change with time due to season, in response to resource availability, distribution disturbed by humans, and other abiotic as well as biotic factors.
Species distribution which is sometimes also called species dispersion is basically the manner in which a particular biological taxon is arranged spatially. The geographic limits of a species distribution is their range.
With the time, the distribution of species. This may occurs due to a number of factors. One of which is change in seasons. Species which have a better adaptation to a change in season stay while other migrate to places with favorable climates. The availability of resources also plays a major role. Other biotic and abiotic factors like predators, edaphic factors etc. also cause change in the distribution of organisms.
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How do major geologic events help build Earth’s timeline?
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(d) Most aphids do not have wings when they hatch. After sevezi generators, some as
hatch which have wings and can fiy
Explain the advantage to the aphid of being able to fly
P
Answers
Answer:
The ability of flight allows them to migrate to different plants if needed. They can only leave a plant and walk away if there is a predator or if their food source's quality has deteriorated, otherwise they remain on their original host plant until then.
How does IVF technology contribute to the understanding of cells and cell processes?
Answers
The in vitro fertilization IVF technologies contribute to the understanding of cells and cell processes because it makes possible to observe the process of fecundation in a lab.
What is the real value of in vitro fertilization IVF technologies in studying cell processes?The real value of in vitro fertilization IVF technologies in studying cell processes is based on the fact we are now able to study the process of fecundation in real time.
Therefore, with this data, we can see that in vitro fertilization IVF technologies may be used to understand cell processes such as fecundation.
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Which is the FALSE statement about this blood pressure measurement? 147/92 A. 92 is the diastolic number. B. 147 is the systolic number. C. This is a high blood pressure measurement. D. This is a normal blood pressure measurement.
Answers
Answer:
The false statement is - option D.
Explanation:
The lower value is known as diastolic number which is the pressure in the arteries when the heart takes rest in between two consecutive heart beats. Diastolic value shows the pressure of arteries when heart fills with blood.
The upper value or number is known as the systolic number, it is the pressure value of arteries of an individual during the contraction of hear. The normal blood person of a health person is range from 80/60mmhg to 120/90 mmhg, above this range is considered as high blood pressure.
Thus, the false statement is - option D.
the process by which a nerve cell recaptures some of the neurotransmitters it has released is known as .
Answers
Important aspect of business is the process by which some small molecule transmitters are retrieved by the presynaptic terminal.
What are neurotransmitters and what do they do?Your body can't function without chemical messengers called neurotransmitters. These are charged with transmitting chemical "messages" through one neurons (nerve cell) to a succeeding target tissue. The following cell line may be a glandular, muscle, or another nerve cell.
What is controlled by neurotransmitters?Neurotransmitters, which are produced by nerve cells, also known as neurons, are crucial components of this system. Impulses are fired by nerve cells. By releasing neurotransmitters, also referred to as the body's chemical messengers, they achieve this. These substances send messages to other cells.
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We lack awareness of many of our bodies' systems for maintaining homeostasis. the sensations, movements, and secretions of organs such as the heart and intestines are governed by the
Answers
Homeostasis is the process by which the body maintains a stable internal environment despite changes in the external environment. It is important for the body to maintain homeostasis to ensure proper functioning of all its systems.
There are many different systems in the body that work together to maintain homeostasis. For example, the endocrine system releases hormones that help to regulate various processes in the body, such as metabolism and growth. The nervous system also plays a key role in homeostasis, by sending signals to different organs and tissues in response to changes in the environment.
The heart plays a crucial role in maintaining homeostasis by pumping blood throughout the body, which helps to deliver oxygen and nutrients to cells and remove waste products. The heart rate can vary depending on the body's needs, and is regulated by the autonomic nervous system. However, we may not always be aware of changes in our heart rate, as it is an internal sensation.
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Which reason best explains why bacteria are good at causing infections in other organisms
Answers
how do red blood cell,muscle cells and nerve cells differ from a typical animal cell
Answers
Answer:Red blood cells carry a specific type of protein, called hemoglobin, which is able to bind oxygen and release it in other tissues. A nerve cell doesn't have this protein because it doesn't need to bind oxygen. Instead, the nerve cell uses other proteins that help it transmit signals to other cells.
Explanation:
Need help!!!!! I need this page solved !!
Answers
Answer:
1. Igneous
2. Compacting and cementation
3. Igneous
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Answers
Answer:
a
Explanation:
Describe The Phenomenon
Answers
Answer:
Phenomenon is a fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question.
It is observable fact or event
PLEASE HELP WILL MARK BRAINLIEST Susana heats up a sample of red crystals. While the sample is being heated, a gas is released, and a blue powder is left after the heating. Is the sample of red crystals an element or a compound? Explain you answer. PLEASE MAKE THE ANSWER SCHOOL APPROPRIATE
Answers
Answer:
its a compound because it was broken down into a gas and turned into a blue powder and elements cant be broken down into simpler substances.
In the simulation, when protein molecules were evenly distributed on both sides of the membrane, was the solution isotonic, hypertonic, or hypotonic? Which direction was water flowing?
Answers
Answer:
1. Diffusion is the process of a substance moving from an area of high concentration to an area of lower concentration. Osmosis is a type of diffusion where water moves across a semipermeable membrane still from an area of high concentration of water to an area of lower concentration of water. This corresponds to water moving from an area with a low concentration of solute to an area with a higher concentration of solute.
2.
a. A semipermeable membrane allows some substances to pass through it.
b. The plasma membrane of a cell allows small uncharged molecules to pass through it, but not large molecules and not charged ions.
3.
a. The protein molecules were evenly distributed on both sides of the membrane, so this solution was isotonic.
b. In an isotonic solution, water moves both in and out of the cell, which was observed in the simulation.
4.
a. The protein molecules were more highly concentrated on the inside of the cell, so this solution was hypotonic.
b. In hypotonic solutions, water moves into the cell to help dissolve the higher amount of solute inside the cell, which was observed in the simulation.
5.
a. A semipermeable cell membrane is important to allow some molecules, like proteins, to be more highly concentrated inside the cell than outside the cell. If the cell membrane were permeable, the molecules on the inside of the cell would exit the cell and be evenly distributed in the cell and in its environment.
b. If the cell membrane were not permeable at all, the cell would not be able to receive nutrients from its environment.
Explanation:
When protein molecules were evenly distributed on both sides of the membrane, the solution is isotonic.
In isotonic solution the concentration of solutes on side remain same .There is no net gain or less of water in isotonic solution.What will be the direction of water flow in isotonic solution?The water will flow freely across the cell membrane without any change in the concentration of solutes.In isotonic solution the cell neither shrink nor swell because the water concentration will remain same.To know more about isotonic solution here
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Which statement illustrates bias in scientific research?
A zoologist publishes incomplete data on sloths which supports their original hypothesis and notes that more research is required.
A botanist publishes data about plant growth that does not support their original hypothesis and is replicable.
An ecologist publishes data funded by a construction company which supports their original hypothesis that an endangered animal's territory is not endangered.
A microbiologist publishes data funded by the National Institutes of Health that does not support their original hypothesis.
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WILL MARK BRAINLIEST. Can someone help me wit des fill in da blanks (____) listed in da picture below?
Answers
Answer:
2. Abiotic, rain, temperature
3. living, nonliving
4. Producers, nonliving
5. Consumers, eating
Erwin Chargaff examined DNA samples from different organisms to study base pairing. Some data from DNA
samples are shown.
Organism
Adenine
Guanine
Cytosine
Thymine
Sea urchin
32.8%
17.7%
17.3%
32.1%
Salmon
29.7%
20.8%
20.4%
29.1%
Wheat
28.1%
21.8%
22.7%
27.4%
Which conclusion is supported by the data in the table?
А
Each organism contains more cytosine than any other base.
В B
The three organisms have the same sequence of nucleotides.
1-35
Rack
Review/ind
Answers
Answer:
D
Explanation:
The presence of each base is dependent on the size of the organism. So, the correct option is D.
What is Base pairing?A base pair is defined as the basic unit of a double-stranded nucleic acid, consisting of two nucleobases bound to each other by hydrogen bonds, where they form the building blocks of the DNA double helix and the folding of both DNA and RNA contribute to the structure.
The rules of base pairing are:
A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T), bond with double bondC with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G), bond with triple bond.The base pair also depend on the size of each organism.
Thus, the presence of each base is dependent on the size of the organism. So, the correct option is D.
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Your question is incomplete, most probably the complete question is :
Erwin Chargaff examined DNA samples from different
organisms to study base pairing. Some data from DNA
samples are shown.
Which conclusion is supported by the data in the table?
A. Each organism contains more cytosine than any other base.
B The three organisms have the same sequence of nucleotides.
C. All three organisms contain the same types of nitrogen bases.
D. The presence of each base is dependent on the size of the organism.
Transcribe the strand of DNA CTA AGG TAG
Answers
GAT TCC ATC
In order to do this on your own all you need to do is reverse the letters A - T C - G
Tylee is shy but wants to try out for a skit in the community talent show. She thinks that performing will be a way to pull
herself out of a shy shell. Which theory does Tylee's belief describe?
determinism
free will
combination of both
neither
Answers
Answer:
combination of both
combination of both is wrong.
b.) Free will is correct.