DES is called an "endocrine disrupting chemical" because it structurally resembles, and interferes with, the endocrine secretions of the _____
A) thyroid gland
B) adrenal medulla
C) ovaries
D) hypothalamus
C
You might also like to view...
The percentage of different colored water boatmen eaten by fish were graphed relative to the frequency of that color in the population. Based on the graph, a population of water boatmen would _____
A. increase in rare genotypes.
B. have no variation in genotype frequencies.
C. lose rare genotypes.
D. increase in size.
E. decrease in genetic variability.
Chemical reactions that have a positive G are ____
Fill in the blank with the appropriate word.
Biofilm formation by Pseudomonas bacteria on the surface of a natural loofa sponge kept in the shower is an example of which type of relationship?
A. Commensalism B. Parasitism C. Mutualism D. Predation
In the equilibrium theory of island biogeography, variation in numbers of species on islands of different sizes is seen as a function of differences in:
A) immigration rates. B) extinction rates. C) neither of the above.