Marsupials are pest put some are not but some of them are mammals and some of them are not. I guessed it should be either way .
Answer:
A. The same species of organisms from one geographic area make up a population.
Explanation:
- Population refers to a group of organisms of the same species living in the same geographical area at the same time. Therefore organisms of similar species make up a population.
- Several populations in turn make up a community. This explains why a community refers to groups of different species living in the same geographical area or an ecosystem.
I think you forgot to give the options related to the question. So it becomes a bit hard to answer the question perfectly, still i would do my best and hope that it comes to your help. Prior to the ideas presented by Charles Darwin concerning evolution, several alternating theories had been developed and they included all but the DNA differences within a species lead to some individuals being better able to survive. This theory was developed after Darwin came up with his theory..
Allopatric Speciation or/and Sympatric Speciation! :)
It decreased because of the Black Plague
