In all reptiles, birds, and mammals, the processes of excretion, water and salt balance, and the regulation of pH in body fluids are controlled by the kidneys. This is an example of the organism maintaining
A. reabsorption
B. homeostasis
C. insulation
D. hibernation
Answer: B. homeostasis
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The function of the structure labeled 9 is
a. food intake. b. digestion. c. sexual reproduction . d. water discharge. e. asexual reproduction.
A tall plant is crossed with a short plant, and the progeny are all intermediate in size between the two parental plants. This could be an example of
A) incomplete dominance. B) polygenic inheritance. C) complete dominance. D) A and B E) B and C
A chemical reaction in which a water molecule is a reactant is known as a (dehydration/hydrolysis) reaction
What will be an ideal response?
The fungus, Batrachochytrium dendrobatidis, is a chytrid that infects and kills frogs in North America. It is an example of:
a. a parasite b. a toxin c. a decomposer d. a fermenter e. a mycorrhizal fungus