____ is (are) the study of body plans and
structures.
a. Evolution
b. Biogeography
c. Comparative morphology
d. Comparative physiology
e. Botany
C
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Precipitation is generally greater
A) in the Southern Hemisphere than in the Northern Hemisphere. B) in coastal areas than in interior areas. C) at the equator than at 30° of latitude. D) on the leeward side of mountains than on the windward side.
Increases in the level of body fat produce increases in body __________, which require additional energy to main them - and decreases in the level of body fat have the opposite effects.
Fill in the blank(s) with the appropriate word(s).
Pancreatic cells have an abundance of _______ to meet the protein production demands of the cell
a) nuclei b) mitochondria c) lysosomes d) rough endoplasmic reticulum
The only known population of a reptile species lives on an African mountain. The population is relatively large, but no close relatives of this species are known. Suppose you could stop all mutations within the population and all emigration out of this
population. Which statement best describes the probable future of this population? A) The population will decline and become extinct after a few generations because of excessive inbreeding. B) Genetic drift will cause major evolutionary changes in the population. C) Evolution will continue as natural selection acts on the genetic variability that exists in the population. D) Although the population will cease to change, it may survive for as long as the environment remains constant.