What is an example of an ultimate cause of animal behavior?
a. physiological
b. cellular
c. genetic
d. anatomical
e. adaptive
ANSWER: e
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To be useful to scientists, a hypothesis must be ________; in other words, the hypothesis must be able to be confirmed or discredited
Fill in the blank with correct word.
What weight classification would include a person with a BMI of 23?
What will be an ideal response?
A child is born with a rare disease in which mitochondria are missing from certain skeletal muscle cells. Physicians find that the muscle cells function. Not surprisingly, they also find that ________
A) the muscles contain large amounts of lactic acid following even mild physical exercise B) the muscles contain large amounts of carbon dioxide following even mild physical exercise C) the muscles require extremely high levels of oxygen to function D) the muscle cells cannot split glucose to pyruvic acid
Streptomyces bacteria are responsible for the production of an "earthy" aroma (often after a rain), which is due to the metabolites they make that are collectively called
a. butylated ethers. b. geosmin. c. loam. d. tannins.