Which of the following types of plants dominate most of the earth's land areas today?
a) lycophytes
b) gymnosperms
c) bryophytes
d) pterophytes
e) angiosperms
Answer: e) angiosperms
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Which metabolic pathway is common to both cellular respiration and fermentation?
A) the oxidation of pyruvate to acetyl CoA B) the citric acid cycle C) oxidative phosphorylation D) glycolysis E) chemiosmosis
According to the life table, the average age of maturity for this population is
A) age 0. B) age 1. C) age 3. D) age 4. E) ages 3-5
Genetic diversity arises as a consequence of ________, which produce(s) different alleles of a gene.
A. crossing over B. chromosome segregation C. gene swapping D. gene splicing E. mutations
What is carbon fixation?
A. The conversion of dead organisms into fossil fuel. B. The release of carbon dioxide by cellular respiration. C. The conversion of carbon dioxide into organic molecules. D. The storage of carbon compounds by heterotrophs. E. The release of carbon dioxide by combustion.