Why has Atlantic cod evolved to mature at a younger age and smaller size?
a. DNA damage from radiation released accidentally from nuclear power plants
b. unknown causes
c. food competition from other predatory fish
d. intraspecies competition
e. overexploitation by fishing
ANSWER: e
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Define and put these terms in order from smallest to largest (in size): organ, tissue, cell, organ system
What will be an ideal response?
Which term refers to an animal that is unable to undergo locomotion under its own power?
a. sedentary b. prehensile c. motile d. sessile
The collecting duct empties its contents into
A. the ureter. B. the renal sinus. C. the papillary duct. D. an afferent arteriole. E. the renal corpuscle.
The Sun provided ____ in order to power the development of life on early Earth
a. continual energy b. a temperature range for liquid water to form c. radiation to power mutations d. continual energy and a temperature range for liquid water to form e. continual energy, a temperature range for liquid water to form, and radiation to power mutations