Question

2. what is the scientific reason behind birds migration?
3. what is national park and santuary . give examples
4.how can we say that variations are present in bio diversity?
5. what are the different modes of asexual reprodution
please answer them quick

Answer 1

2) migration is the phenomenon of movement of a species from its own habitat to some other habitat for a particular time period every year for a specific purpose like breeding

3) national park areas reserved for wildlife where they can freely use the habitat and natural resources
example- Satpura national park
sanctuary are areas where animals are protected from any disturbance to them and their habitat
example-manas wildlife sanctuary

4)It refers to variety of living organisms present in a specific area

5) Budding and binary fission