For a given species, an increased evolutionary rate would cause a decrease in
a) biodiversity.
b) fitness of a species.
c) similarity of the individuals in the species.
d) the number of new genes in the dna of the species.

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.