Question

All animals depend upon plants for their food”. Justify the statement.

Answer 1

Since animals are heterotrophs(organisms which cannot prepare their own food) ,they depend on plants for their survival.
Hope it helps.....pls mark as brainliest......

Answer 2

Justification:

The green plants are the essential living things that must be survived to make other organisms survive. Because every other organism’s life is directly or indirectly depend on the green plants as they supplies oxygen which is essential for most of the organisms for their respiration.

In addition, herbivores and even human consumes green plants as food. If they disappear from earth, herbivores will get extinct sequentially the carnivores that consume the herbivores and also human will die due to lack of food and oxygen. May be only the bacteria and microorganisms only will survive.