5) Explain why the organisms at the top of a food chain (Eagles, for example) are more affected by pollution in the ecosystem than organisms lower on the food chain (snails, for example)

if pullution occurs, Fish may be consumed by birds and other animals and the pollution gets transferred through the food chains until it reaches humans.

the sun d the answer is sun

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.