Hybrids with chromosomal inversions often have:
a. a doubling of chromosomes.
b. superior environmental performance across a cline.
c. dysfunctional gametes.
d. speciated.
C
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The nematode Caenorhabditis elegans is important to human medicine because it
A. causes elephantiasis, a disease of the lymph glands that causes the legs of humans to swell. B. is an intestinal parasite in human digestive tracts. C. has programmed cell death and therefore is useful in cancer and AIDS research. D. is transmitted by mosquitoes and causes high fevers.
Which to these functions of the kidneys are mismatched.
a) excretes metabolic wastes-rids the body of urea b) maintains the water-salt balance-helps regulate blood pressure c) maintains the acid-base balance-rids the body or uric acid d) secretes hormones-secretes erythropoietin e) all of the choices are correct
The process an organism goes through to change from a simpler type of organization to a more complex type of organization is called
A. Training B. Education C. Instruction D. Development
Oxygen is an excellent final electron acceptor because of its low electronegativity.
Answer the following statement true (T) or false (F)