Worldwide, ____ are often used as pollution-monitoring devices
a. fungal infections
b. mycorrhizae
c. lichens
d. yeast
e. mushrooms
C
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The human chromosomes that do not determine whether an individual is male or female are
A. autosomes. B. not found in pairs. C. the X and Y chromosomes. D. sex chromosomes. E. None of the answer choices is correct.
The secretion of each of the anterior pituitary
hormones requires a. stimulation from the posterior pituitary. b. that they first be secreted from the neurons of the hypothalamus. c. two capillary beds. d. the action of minute amounts of releasing hormones. e. two capillary beds and the action of minute amounts of releasing hormones.
During intramembranous ossification, what is the bone "model" made of?
What will be an ideal response?
According to the redundancy hypothesis, species are redundant if
A. they have an effect on the ecosystem that is disproportionate with their abundance. B. they could be eliminated or replaced by others with no loss of ecosystem function. C. their ecological niche overlaps somewhat with another species. D. they have grown beyond their carrying capacity for a particular ecosystem.