Systematics reassigns phylogenetic placement based on
A) seed formation.
B) reproduction.
C) physical features.
D) behaviors.
E) new information about genetic relationships.
E
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Ruminants need special enzymes to digest
a. starch. b. proteins. c. cellulose. d. lignin. e. glycogen.
What is the role of DNA ligase in the elongation of the lagging strand during DNA replication?
A) It synthesizes RNA nucleotides to make a primer. B) It catalyzes the lengthening of telomeres. C) It joins Okazaki fragments together. D) It unwinds the parental double helix. E) It stabilizes the unwound parental DNA.
Species of dinoflagellates are responsible for much of the phosphorescence seen in ocean waters at night.
Answer the following statement true (T) or false (F)
If gross primary production were to increase in an ecosystem, it would be reasonable to expect that
A. the trophic web would become more complex. B. nutrients would no longer be limiting factors. C. cellular respiration would decrease. D. the biomass of herbivores would increase. E. net primary production would not increase.