In biology, fitness is defined as _____.
A. the ability of an individual to detect life-threatening situations
B. the ability of an individual to successfully capture prey
C. the ability of an individual to produce surviving offspring
D. the ability of an individual to perform physical feats of strength
Ans: C. the ability of an individual to produce surviving offspring
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During muscular contraction, cross-bridges form between ________ and ________ .
A. myosin; tropomyosin B. troponin; calmodulin C. myosin; troponin D. actin; myosin E. actin; tropomyosin
As succession proceeds, what occurs with animals living in the habitat?
A) Animals adapt to the new vegetation. B) Animals leave as their habitat disappears. C) New animal species evolve in response to vegetation. D) Animal species diversity continually decreases.
Some viruses are said to be naked because
A. They have a bilipid membrane instead of the capsid layer B. They have no bilipid membrane C. They have no capsid proteins D. The do not have cell wall E. None of the above
DNA is replicated during ______________________.
A. anaphase B. metaphase C. interphase D. prophase E. telophase