Biology

Question

of a food pyramid.

Birds

Large ish

Small fish

Plants

Which statement best describes what

happens in this food pyramid?

(1) More organisms die at higher levels

than at lower levels, resulting in less

mass at higher levels.

(2) Energy is lost to the environment at

each level, so less mass can be

supported at each higher level.

(3) When organisms die at higher levels,

their remains sink to lower levels,

increasing the mass of lower levels.

(4) Organisms decay at each level, and

thus less mass can be supported

speedinalv higher levels

Answer

(2) Energy is lost to the environment at each level, so less mass can be supported at each higher level.

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The food pyramid is a representation of the flow of energy in an ecosystem. At each level, energy is lost to the environment, so less mass...