A linear depiction of energy flow in an ecosystem is:
a. a food web.
b. a food chain.
c. a trophic web.
d. an ecological pyramid.
e. a pyramid of numbers
B
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Prokaryotes
A. lack a true nucleus. B. lack true DNA. C. use the cell membrane rather than ribosomes for making proteins. D. contain numerous organelles. E. are relatively benign cells incapable of harming organisms.
Which are not correctly paired?
a. Gastropodia - snails b. Cephalapodia - squid c. Bivalvia - mussels d. Gastropoda - clams e. Bivalvia - scallops
Two patches are connected by a corridor but a species does not utilize it. This is an example of
A) high structural connectivity. B) low structural connectivity. C) high functional connectivity. D) low functional connectivity.
When does Gaussian distribution occur?
A. When variation is caused by one source of scatter. B. When variation is caused by multiple sources of scatter that add together. C. When variation is caused by multiple sources of scatter which are multiplicative. D. When variation does not exist.