In the passive processes of simple diffusion and osmosis, substances and water move down their concentration gradients, moving from areas of higher concentrations to areas of lower concentrations.
a. true
b. false
a. true
Biology & Microbiology
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Kinesis is
A. a movement toward a stimulus. B. a movement away from a stimulus. C. any movement in response to a stimulus, but not necessarily toward or away. D. a movement. E. any movement away from an object.
Biology & Microbiology
Nitrogen is reduced in four cycles
What will be an ideal response?
Biology & Microbiology
In an ideal, unlimited environment, a population's growth follows a(n) ________ model
A) exponential B) density-dependent C) logistic D) boom-and-bust
Biology & Microbiology
As a by-product of photosynthesis, what percentage of the Earth's atmosphere is oxygen?
A) 31 percent B) 21 percent C) 10 percent D) 41 percent E) 50 percent
Biology & Microbiology