The deepest diving pinnipeds are the:
a. sea lions.
b. harbor seals.
c. Weddell seals.
d. elephant seals.
e. Stellar's sea lion.
D
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A fisheries biologist tells you she is studying a cohort of salmon returning to their birth river. What can you infer about those salmon?
A. They are the same age. B. Most of them are one to three years old. C. They have a Type II survivorship curve. D. They are iteroparous. E. They have a uniform distribution.
What kingdoms composed the three kingdom classification system used by scientists in the late 1800s?
a. animals, plants, fungi b. animals, plants, bacteria c. animals, fungi, protists d. animals, plants, protists
The __________ theory states that mitochondria
were phagocytized by a primitive eukaryotic cell. Fill in the blank(s) with the appropriate word(s).
In a population exhibiting logistic growth, what happens when the carrying capacity is exceeded?
a) the population crashes and becomes extinct b) the growth rate becomes negative until the population is back within the carrying capacity c) the populations fertility drops to zero d) the growth rate becomes zero until the population is back within the carrying capacity e) the population fluctuates around the new level