Assessment started: undefined. Item 1
Which statement best describes ecosystems?

It is the interaction between living and non-living factors, in a given area.

It is all the animals in a food web.

It is a very large area of the planet , which is classified by the organisms that live there.

It is the place where an organism makes its home.

A It is the interaction between living and non-living factors, in a given area

Explanation:

because ecosystems in my mind are usually small but they can cover vast areas and it is the interaction between organisms not just organisms but other living things in that area too.

the answer is d. chordata

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation: