The neuron requires a certain level of depolarization of its membrane in order to generate an action potential. This level of depolarization is known as the ________
Fill in the blank(s) with correct word
threshold
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Populations of bay checkerspot butterflies that occupy large patches of suitable habitat serve as sink
populations for individuals that recolonize small patches of suitable habitat where butterfly populations frequently become extinct.
Indicate whether the statement is true or false.Susie just squished a cockroach and its pale yellow hemolymph squirted out on the floor. If Susie analyzed the hemolymph, she would expect to find all of the following EXCEPT
A. sugars. B. water. C. ions. D. erythrocytes. E. amino acids. F. cells that protect against foreign microbes. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about hemolymph? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A predator consuming prey would occur at the organizational level of the
A) community. B) biome. C) population. D) ecosystem.
You explain to your study group that a hypothesis is:
A. an explanation that accounts for careful observations. B. a proposition that will be true and fits the known facts. C. constant over time. D. a theory.