Countercurrent exchange is used for homeostasis both by some animals experiencing cold conditions and by kidneys in the nephron loop

a. true
b. false


a. true

Biology & Microbiology

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Which of the following is a common feature of primary insect symbionts?

A) accelerated mutation rates B) extreme genome reduction C) high A+T / low G+C content D) accelerated mutation rates, extreme genome reduction, and high A+T / low G+C content

Biology & Microbiology

Energy captured during the "photo" part of photosynthesis is stored ________________ during the "synthesis" part of the process

A. as high energy electrons B. in carbon atoms C. in covalent bonds D. a and c E. b and c

Biology & Microbiology

An animal that is apparently aware of its circumstances and uses reasoning to achieve a goal is said to have ____

a. conditioning b. habituation c. cognition d. imprinting e. learning

Biology & Microbiology

Refer to the accompanying figure. Which structure is from a different germ layer than the rest?

a. 2 b. 3 c. 6 d. 7 e. 8

Biology & Microbiology