Biology

Biology, 13.07.2019 04:00, only1yg

At each level of a food chain, the biomass of organisms decreases or increases?

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Biology, 09.07.2019 13:00, deepspy599otchpd

According to the law of conservation of matter, matter is never created or destroyed. yet in a food pyramid the amount of biomass decreases as we move up through the pyramid, from producers to top level consumers. why? a) matter is decomposed at different levels in a food chain. b) matter is recycled at each level of the food chain and returned back to the producers. c) matter is taken back by the producers after it is left unused by consumers at each level. d) matter changes to other forms that might not continue to be a part of the same food chain. ( plz , hurry plz! )

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Biology, 12.07.2019 02:00, mat1413

The relationship between the amount of energy available for use and the amount of entropy in a food chain differs between trophic levels. why would the amount of entropy increase from one trophic level to another in a food chain or energy pyramid? a. the available energy from one trophic level to another increases b. energy is lost at each level as heat, which increases randomization c. the amount of biomass decreases from one trophic level to another d. the available energy at each level may either increase or decrease, creating randomization

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Chemistry, 28.08.2019 08:10, aksambo4707

What information does a food web reveal that a food chain does not? a. a food web shows the actual number of joules of energy that is transferred from one trophic level to another but a food chain never does. b. a food web shows that most organisms consume and are consumed by more than one organism. c. a food web only shows a single pathway of consumption through the ecosystem. d. a food web consists of biomass pyramids but a food chain does not.

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Geography, 13.11.2019 07:31, aletadaboss

What advantage do organisms in a food web have over those in a food chain? a.organisms in a food web have alternative foods to eat if one of their food sources diminishes or disappears. b. organisms in a food web are on the highest trophic level of feeding stages. c. organisms in a food web have equivalent survival rates to those in a food chain because they are herbivores. d. organisms in a food web have one primary food source, which ensures their health.

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