In the equilibrium theory of island biogeography, variation in numbers of species on islands of different sizes is seen as a function of differences in:
A) immigration rates.
B) extinction rates.
C) neither of the above.
Ans: B) extinction rates.
You might also like to view...
Which have a collagen cuticle, a pseudocoelom, a tubular digestive system and no respiratory or circulatory organs?
a. roundworms b. cnidarians c. flatworms d. annelids e. porifera
Which of the following statements best defines an altruistic act?
A. benefits the performer and another individual B. benefits another individual at some cost to the performer C. benefits another, related individual at some cost to the performer D. imposes a cost on the performer and another individual E. imposes a cost on the performer without benefiting another individual
Transport Protein
What will be an ideal response?
Substitution of one base pair for another in a coding region of a gene can result in a ____ mutation
where the changed codon still codes for the same amino acid that was previously coded for.
a. missense b. chromosomal c. frameshift d. silent e. nonsense