Which of the following involves only biotic factors?
A. a pine tree absorbing light from the Sun
B. a spider building a web in the corner of a building
C. a duck catching and eating a snail
D. an otter using a stone to break open a sea urchin

Respuesta :

Answer:

C- a duck catching and eating a snail

Explanation:

Biotic factors involve living things. The only choice with two living beings interacts would be C.

Answer:

a duck catching and eating a snail

Explanation:

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