Four million years ago, horses were rather small compared to today's horses and had relatively stocky bodies with a straight shoulder and thick neck. This statement is an illustration of which biological concept?
A. development
B. evolution
C. reproduction
D. metabolism
E. homeostasis
Answer: B
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When a plant cell, such as one from a rose stem, is submerged in a very hypotonic solution, what is likely to occur?
A) The cell will burst. B) Plasmolysis will shrink the interior. C) The cell will become flaccid. D) The cell will become turgid.
All of the following are true with respect to DNA except
What will be an ideal response?
All of the following are true about undernutrition during pregnancy except
Select one: a. mother and fetus both are affected. b. only the mother is affected significantly. c. iron-deficiency anemia is a possible consequence in the mother. d. risk of maternal death is increased.
Soil is a reservoir for all of the following EXCEPT
A) Q fever. B) melioidosis. C) blastomycosis. D) histoplasmosis. E) coccidioidomycosis.