(08.02 mc)researchers determine an organism from africa has a normal distribution for body size. the organism is introduced and released into the united states as an exotic species. after 20 years, scientists have recorded how the organism has fit into the u. s. ecosystem. data show that predators have selected against the exotic species with the larger body size. predict the most likely type of natural selection that occurred on the exotic species over the 20-year period.

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: