Perhaps the biggest problem associated with the Endangered Species Act as it currently stands is that it:
a. tends to protect a limited number of organisms.
b. tends to protect plants and some animals, but often under-represents mammals and insects.
c. protects animals whose populations are currently on the increase.
d. currently protects ecosystem diversity.
e. has not been amended since its passage in 1962.
a
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Which of the following pigments would you find in a typical leaf?
(a) chlorophyll, xanthophyll, phycobilins. (b) chlorophyll a, chlorophyll b, carotenoids. (c) phycocyanin, xanthophyll, fucoxanthin. (d) carotenoids, chlorophylls, phycoerythrin.
Which is the chemical bond formed when an electron is shared between two elements?
a. Ionic bond b. Covalent bond c. Electronic bond d. Hydrogen bond
Which growth model occurs when the amount of available resources is not limiting??
a. arithmetic growth
b. logistic growth
c. logarithmic growth
d. exponential growth
e. exponential growth and arithmetic growth
Cholesterol transported by HDL is metabolized in what organ
What will be an ideal response?