What is a population? all the organisms in an ecosystem. a collection of all the abiotic factors in an ecosystem. a collection of all the biotic factors in an ecosystem. a group of organisms of the same kind or species.

a group of organisms of the same kind or species.

Explanation:

In Biology, the definition of population is something like:

"The number of organisms of the same species that are living in a specific geographic area at the same time and also have the capability of interbreeding"

So they must be of the same species and able to interbreed, which gives us a clear idea of what is the correct alternative.

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the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.