Which term would be directly related to the science of ecology?

population density

circulatory system

genetics

taxonomy

last one i think?

population density

Explanation:

Yes! all because ecology seeks to understand the relationship between living organisms (plants, animals, microorganisms) and their environment while population density refers to the number of individual organisms in a unit area of space.

That is, Population density = Total population ➗ Area of habitat

Thus, population density is related and also a subset of ecology.

A. Population density

Explanation:

I took the test.

multiplying and dividing the two decimals and the eqations by the same number of the overalls

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate