Question

if birds are not there what will happen our nature​

Answer 1

Answer:

Without the birds, Insect population will grow rapidly. Insects will evolve their food habits as their source of food will be diminishing rapidly. The population that prey on birds(including humans but not just us) now have to adapt to new food types, if they can.

Answer 2

1. if birds get absent in the nature  there will be no pollination if there is no pollination there are less chance for flower to grow and bare seed and gradually the trees in environment decreases
2. See, birds are a part of food chain, these animals making the environment or there habitat balanced. If there would be no birds the entire ecosystem system will get unbalanced like the balance of gases on the earth's atmosphere!!!
3. No prey would get proper food chain which will effect the ecosystem as well as our environment.