The ____ in mammals allows water to exit but does not allow ions or urea to exit
a. distal convoluted tubule
b. Bowman's capsule
c. descending segment of the loop of Henle
d. proximal convoluted tubule
e. ascending segment of the loop of Henle
ANSWER: c
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Bone plays a critical role in providing ____ for the blood
a. sodium and calcium ions b. magnesium and phosphate ions c. carbon dioxide d. phosphate and calcium ions e. calcium ions and oxygen
In an egg, the ____ pole typically gives rise to surface structures and the anterior end of the embryo while the ____
pole gives rise to internal structures such as the gut and the posterior end of the embryo.
a. cleavage; gastrulation b. gastrulation; animal c. animal; vegetal d. cleavage; embryonic e. vegetal; animal
A population of squirrels is in a phase of exponential growth. Which events would act to slow this growth? (Check all that apply)
_____ a forest fire that destroys habitat _____ logging of nut trees _____ growth of the hawk population _____ heavy rainfall, resulting in larger seed and nut harvest _____ increased population that is outstripping food supply _____ less competition from a diminished population of ground squirrels 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 factors that could slow down the growth of a squirrel population? 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? Reflection 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?
Symbiosis is an interaction between two species that is beneficial to both species
Indicate whether the statement is true or false