Which type of effect has an increasing impact as the population size increases?
a. density-independent
b. density-dependent
c. mortality
d. survivorship
e. Coriolis
Ans: b. density-dependent
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Phototropism is a plant response controlled largely by which color of light?
A. red B. blue C. violet D. green E. None of the choices is correct
If a population undergoes selection of adaptive
traits, it most logically will lead to ___ of the species.
a. extinction b. improvement c. artificial selection d. evolution e. more than one of these
Which is NOT a shared characteristic of
parabasalids and diplomonads? a. heterotrophy b. flagella c. oxygen-poor or anaerobic habitats d. abundant mitochondria e. presence of a pellicle
The lack of blood flow to an organ, as in the case of a blood clot blocking an artery, is termed ____
What will be an ideal response?