What percent of Earth’s dry land is being used for agriculture?
a. 10 percent
b. 25 percent
c. 30 percent
d. 45 percent
e. 50 percent
ANSWER: b
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The situation in which some offspring are haploid and others diploid is referred to
A. eusociality. B. viviparity. C. haplodiploidy. D. didiploidy. E. dihaploidy.
Where does crossing over occur?
A) at the centromeres B) at the telomeres C) at nodules that occur randomly at "hotspots" along the synaptonemal complex D) at nodules that occur in specific, evenly spaced locations along a chromosome E) at both the centromeres and telomeres
Runs through core of osteon, contains blood vessels and nerve fibers.
What will be an ideal response?
Type I diabetes is a(n)
A. autoimmune disease. B. immunodeficiency disease. C. immune complex-mediated hypersensitivity disorder. D. delayed hypersensitivity disorder. E. immediate hypersensitivity disorder.