Kevin is studying predator-prey interactions. One day he notices a spider eating a cricket caught in its web. Later that day, a bird eats the spider. How many producers are there is this scenario?
What will be an ideal response?
Answer: 0
Biology & Microbiology
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The movement of substances to regions of lower concentration is called
A. active transport. B. diffusion. C. pinocytosis. D. pumping. E. exocytosis.
Biology & Microbiology
Distinguish among interphase, mitosis, and cytokinesis.
(a) Interphase: (b) Mitosis: (c) Cytokinesis:
Biology & Microbiology
Parasitoids
a. are an alternative to pesticides. b. will kill rather than damage those that they infect. c. are biotic or natural controls. d. are better than pesticides in that they are targetspecific (they affect a limited number and type of organisms). e. are all of these.
Biology & Microbiology
An otolith is one of the functional parts of the
a. eye. b. Pacinian corpuscle. c. vestibular apparatus. d. taste bud. e. pits, or heat-sensing devices, of snakes.
Biology & Microbiology