Which diversity helps in developing adaptations to changing environment? Explain it.

Explain behaviour adaptations.

Which is not a correct statements ? (A) Variations are the raw materials for evolution (B) Variations provide genetic material for natural selection (C) It helps the individual to adapt to changing environment (D) Variations allow breeders to improve the crop field

Assertion (A): Variations help the individuals to adapt themselves to the changing environment. Reason (R ) : It provides the genetic material for natural selection.

Undesirable change in the environment ____.

Rib Meristem helps in the development of ______.

Which is not the index of diversity?

Which of the following is the flight adaptation of birds?

List out the adaptation of fish to survive in aquatic environment.

Large scale changes of global environment lead to

Well developed root is an adaptation of hydrophytes.