Answer:
Energy and nutrients are cycled throughout all the different components of the ecosystem. The non-living components like heat and nutrients are called abiotic factors. Both biotic and abiotic factors contribute to an environment's health. Biotic factors include plant productivity and animal behavior.
Answer:
C
Explanation:
its c because it had cells that need them
Answer:
stomach
Explanation:
it is obious cause even 6 standard children know it
A large class of molecules is called a macromolecule.
5km/h but always changing direction
