Cellulose is a major component of plants and is only directly digested by
A. herbivores.
B. carnivores.
C. termites.
D. microorganisms
D
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Imagine you are comparing the nutrient content of phloem sap from two plants: one with mycorrhizae and one without mycorrhizae. How would you expect the nutrient content of these two phloem samples to differ?
A. Phloem sap from the mycorrhizae sample will have more phosphorus. B. Phloem sap from the non-mycorrhizae sample will have more phosphorus. C. Phloem sap from the mycorrhizae sample will have less phosphorus. D. The amount of phosphorus will be the same in both samples.
Metagenomic studies of prokaryotes have
revealed that
a. there is very little diversity among bacteria. b. archaea are more closely related to bacteria than to eukaryotes. c. bacteria and archaea are essentially the same organisms. d. most archaea evolved from viruses. e. none of these things were revealed by metagenomic studies
Mitochondria and chloroplasts resemble bacteria in that they
a. have their own DNA. b. have their own ribosomes. c. reproduce by simple division into two. d. All of the above
Parental care in dinosaurs, crocodiles, and birds is an example of
A. homology caused by convergence. B. homoplasy caused by common descent. C. homoplasy caused by convergence. D. homoplasy caused by evolutionary reversal. E. homology caused by common descent.