Which is an example of a natural disaster limiting population growth? a month of heavy rainfall fills up watering holes, and a zebra population has plenty of water. space in a forest becomes crowded, and a population of low-lying plants cannot get enough sunlight. a strong thunderstorm destroys many of the nests of a bird population. a month of colder air in the spring delays the growth of plants that provide food for a deer population.

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000

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.