4. which of the following statements about reinforcement is true?
a. reinforcement increases the number of intermediate phenotypes.
b. reinforcement is a type of natural selection.
c. reinforcement decreases the morphological difference between two incipient species.
d. reinforcement is also called dispersive selection

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

What happens to the amount of waste in the pond as the ecosystem ages?