Which theory was helpful to Darwin in the
formulation of his theory of evolution?
a. catastrophism
b. inheritance of acquired characteristics
c. uniformitarianism
d. continental drift
e. special creationism
Answer: c
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Which of the following adaptations are LEAST likely to be found in plants which regularly experience dry, hot conditions?
A) CAM plants that grow rapidly B) small, thick leaves with stomata on the lower surface C) a thick cuticle on fleshy leaves D) large, fleshy stems with the ability to carry out photosynthesis E) plants that do not produce abscisic acid and have a short, thick taproot
The correct sequence of steps in the eukaryotic cell cycle is _________________
A. G1 S phase G2 mitosis cytokinesis B. G0 S phase G1 S phase G2 mitosis cytokinesis C. G0 S phase G1 G2 cytokinesis mitosis D. G0 S phase G1 S phase G2 cytokinesis mitosis E. G1 S phase G2 cytokinesis mitosis
The amphibian heart consists of two atria and two ventricle(s)
____________________ Indicate whether the statement is true or false.
A typical soil is composed mostly of humus
____________________ Indicate whether the statement is true or false.