In the figure, which represents data from the "ant plant" experiments in Investigating Life 22.5, what was the dependent variable?
A. the amount of fruit produced
B. the number of leaflets that were damaged
C. the presence of tramp ants
D. the presence of other ants
E. the amount of nectar consumed
B. the number of leaflets that were damaged
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In prokaryotes, translation takes place in the
a. cytoplasm. b. nucleus. c. plasma membrane. d. endoplasmic reticulum. e. Golgi bodies
In the water cycle, animals return water to the environment by
A. transpiration and excretion. B. excretion. C. transpiration. D. evaporation and excretion. E. evaporation.
Life tables are most useful in determining which of the following?
A) carrying capacity B) the fate of a cohort of newborn organisms throughout their lives C) immigration and emigration rates D) population dispersion patterns E) reproductive rates
Which phylum of vascular, seed-bearing plants includes pines, spruces, and firs?
a. Gnetophyta b. Cycadophyta c. Ginkgophyta d. Coniferophyta