Which describes a similarity between abiotic and biotic factors? a. They may include things that were once living. b. They are both necessary for organisms to survive. c. They are not usually important parts of the environment. d. They can be easily replaced if they are used or destroyed.

B. They are both necessary for organisms to survive

Explanation:

organisms rely on both living and non-living factors to survive.

Ex: An orange tree needs worms, birds, and insects to keep it alive and to plant more trees and it needs dirt and water.

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