Which of the following would be an external parasite?
A. a bird that aids large mammals by eating parasites in the skin of the large mammal
B. a fungus living on the dead remains of a tree
C. a cowbird that lays its eggs in the nest of another species of bird
D. a flea that lives among the feathers and feeds on the blood of a bird
D. a flea that lives among the feathers and feeds on the blood of a bird
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The endosymbiosis that formed mitochondria likely occurred after eukaryotes developed photosynthetic capabilities
Indicate whether the statement is true or false.
Unlike the leading strand, ______________ are made in replicating the lagging strand of DNA.
A. primers B. nucleases C. Okazaki fragments D. pyrophosphates E. DNA polymerases
Which of the following group is most closely related to mammals?
A. Reptiles B. Amphibians C. Lancelets D. Cartilaginous fishes
A situation in which the birth rate equals the death rate is called:
a. an intrinsic limiting factor b. exponential growth c. saturation d. zero population growth e. geometric growth