Food chains, energy pyramids, and food webs

A group of organisms that are all the same species living in the same area at the same time.

(a)  

Example of abiotic factor

Put these in order from smallest to largest

Put the trophic levels correctly on the pyramid

In cellular respiration, animals and plants take in ​ (a)   and ​ ​ (b)   to release ​ (c)   , ​ (d)   and ​ (e)   .

Match the following

Which of the following is a characteristic of life?

Organize these options into the right categories

a species which often forms the major structural portion of the habitat is a...

a species whose presence is key to maintaining biodiversity in an ecosystem and to upholding an ecological community’s structure is a...