Which of the following statements about energy flow are true?

Select the four statements that are true

Energy spent on cellular respiration is available to higher trophic levels.
Animals that produce their own body heat and maintain a high body temperature are likely to be less efficient at converting food into biomass than are animals that do not regulate their body temperature.
Energy used in the production of offspring is available to higher trophic levels.
Energy contained in feces is available to higher trophic levels.
Autotrophs typically capture about 90% of the available energy from the sun through photosynthesis.
If the lowest trophic level of an ecosystem--the primary producers--contains 1,200 grams of biomass per square meter, it is reasonable to expect the secondary consumer level to contain about 12 grams of biomass per square meter.
__ In a trophic pyramid, biomass represents chemical energy.

Question

blackbarbie3784 blackbarbie3784

15-08-2019
Biology

contestada

Which of the following statements about energy flow are true?

Select the four statements that are true

Energy spent on cellular respiration is available to higher trophic levels.
Animals that produce their own body heat and maintain a high body temperature are likely to be less efficient at converting food into biomass than are animals that do not regulate their body temperature.
Energy used in the production of offspring is available to higher trophic levels.
Energy contained in feces is available to higher trophic levels.
Autotrophs typically capture about 90% of the available energy from the sun through photosynthesis.
If the lowest trophic level of an ecosystem--the primary producers--contains 1,200 grams of biomass per square meter, it is reasonable to expect the secondary consumer level to contain about 12 grams of biomass per square meter.
__ In a trophic pyramid, biomass represents chemical energy.

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B. Animals that produce their own body heat and maintain a high body temperature are likely to be less efficient at converting food into biomass than are animals that do not regulate their body temperature.

C. Energy used in the production of offspring is available to higher trophic levels.

F. If the lowest trophic level of an ecosystem--the primary producers--contains 1,200 grams of biomass per square meter, it is reasonable to expect the secondary consumer level to contain about 12 grams of biomass per square meter.

G. In a trophic pyramid, biomass represents chemical energy.

Explanation - Energy flow in different trophic levels through food chain. Food chain is formed when one the organism of one trophic level feeds on the organisms of its lower trophic level. Some amount of energy is lost with increase in trophic levels i.e., from lower to higher trophic levels.

There is approximately 10% of energy being transferred to the higher or next trophic level of food chain as some amount of energy is used by the organisms for their survival and is lost as heat.