The ecological model that random recruitment from the larval pool leads to high reef fish diversity is called:
a. competition model.
b. predation disturbance model.
c. lottery model.
d. resource limitation model.
e. optimal foraging model.
C
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Which type of muscle fibers is known as dark meat in chickens? a. White b. Both red and white c. None of these choices
d. Red e. Neither red nor white
Mutations affect Hardy-Weinberg equilibrium by
A. allowing gene flow to increase. B. keeping allele frequencies unchanged between generations. C. decreasing the genetic variation that affects natural selection. D. altering frequencies of particular alleles within a population.
The perforin-granzyme pathway involves
A) the production of fever, which kills the pathogen. B) the production of antibodies toward the invading pathogen. C) the production of special cell-killing proteins that act on infected or abnormal cells. D) presenting the foreign antigen to B cells. E) binding CD95L to infected cells, which eventually leads to cell apoptosis.
Proteins produced by the innate immune response to fight virus infection are (complement/interferons/opsonins).
Fill in the blank(s) with the appropriate word(s).