Question

why does a balance between the number of plants and animals in nature need to maintained ​

Answer 1

Answer:

We should maintain the balance between plants and animals in nature. Because if there were more number of plants and less number of animals in nature the ecosystem will be imbalanced. If there are more number of animals and less number of plants in nature the animals won't get sufficient food.

Answer 2

Answer:

A balance between the number of plants and animals need to be maintained because of various reasons.

(i) It is necessary for the food chain because every animal either depends on plants for food or depends on the animals that depend on plants.

(ii)Animals breathe out $CO_{2}$ and only plants can convert $CO_{2}$ back to $O_{2}$ by the process of photosynthesis.