Which statement best summarizes what happens to energy in an ecosystem when it reaches the top of the food chain? A. The flow of energy stops when the top predator dies

B. The flow of energy stops when a secondary predator decomposes

C. The energy flows in the opposite direction, back down the food chain

D. The energy is transferred to the soil and recycled back to the producers

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.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

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