Which of these gymnosperms are known to be important in maintaining the balance of carbon in an ecosystem?

a) garden flowering plants

b) ferns and liverworts

c) mosses and horsetails

d) redwood tree forests

(amoeba sisters video recap: pedigrees and need

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

The hypothesis that evolution occurs at an irregular rate through geologic time is known as: directional evolution directional equilibrium punctuated equilibrium punctuated evolution