Question

red beetles live in a bush with green beetles.eventually the number of green bettle increases as compared to red bettles.

-give reason for increase number of green bettles.

-state two advantages of variation

Answer 1

Red beetles could be easily seen in the forest and birds could see them easily and eat them. but the green beetle could match with surrounding making it difficult for birds to see them. Thus red beetles were decreasing and green ones were increasing.
importance of variation are :
i. they help to adapt over unfavorable situations.
ii. new organisms are able to fight against diaereses in an effective manner.