Which of the following adaptions helps birds fly a: they have more fat than most animals so they can fly for long distances
b: they have hollow bones so they are lighter
c they have a smaller blood vessel so
their heart have to work less in a flight
d: the largest stomach so that they can absorb food faster

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

the fossil record provides evidence of a common ancestor to many species.