The physical movement of alleles between populations is known as ____
a. natural selection
b. genetic drift
c. gene flow
d. inheritance
e. mutations
ANSWER: c
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Explicit memory is also called procedural memory
____________________ Indicate whether the statement is true or false.
The energy of wavelengths that appear ________ is LEAST useful to photosynthesis
A) red B) green C) blue D) orange
The deep ocean biome is one that scientists know very little about. Primary producers in this biome cannot utilize sunlight as a source of energy
Which of the following statements provides a plausible description of the energy available to higher trophic levels from primary producers in this biome? A. There are probably only two trophic levels because there is only light available from bioluminescent organisms. B. The higher trophic levels (secondary or tertiary consumers) are probably only represented by one or two species because of the low levels of energy available from primary producers. C. The energy available from primary producers likely comes from the reduction of low-energy molecules (hydrogen sulfide or methane gasses). D. The biome is not stable because there is not a constant source of molecules available for primary producers to convert into biomass.
Which of the following is a passive mechanism used to move materials into and out of of the cell?
A. phagocytosis B. facilitated diffusion C. active transport D. feedback inhibition E. exocytosis