aws3vvnari aws3vvnari
  • 11-02-2021
  • Biology
contestada

M
What biological level is defined as the portion of the earth where life exists?
A
ecosystem
B
biosphere
С
population
D
community

Respuesta :

yaiitsme
yaiitsme yaiitsme
  • 11-02-2021

Answer:

a ecosystem. i

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