Due to a severe drought, the water level of a lake decreased considerably. What will happen to the fish in the lake? A. Its population will increase
B. Its population will decrease
C. its reproduction rate will increase
D. its predator population will increase

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

Which sequence correctly shows the path of carbon dioxide during repiration?

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.