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In the fossil record, there is no evidence of anything living on land before plants. Why are plants necessary before more complicated animals can evolve?
A. Plants were not needed.
B. Plants were needed to produce Carbon dioxide.
C. Plants were needed to change the soil content.
D. Plants were needed to produce oxygen.

Respuesta :

sonukram

Answer:

maybe option D is correct

mahima6824soni

Plants are necessary before more complicated animals can evolve because plants were needed to produce oxygen. The correct option is D.

What is the fossil record?

The fossil record is the preserved remnants of plants and animals that are found in the layers of the earth's crust. They give information about organisms present in old times.

Plants give oxygen, food, and shelter to the organism, so it is necessary for surviving of organisms.

Thus, the correct option is D. Plants were needed to produce oxygen.

Learn more about the fossil record, here:

https://brainly.com/question/1340159

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