Question

Transfer the given information to a flow – chart to provide an overview of the given data.


For an ecosystem to work there has to be a flow of energy within it.

The organisms of the ecosystem need energy in the form of food. The

ultimate source of this energy is the sun. Producers like green plants trap solar energy and convert it into chemical energy for food. When a primary consumer (grasshopper) eats the producer, a part of this energy is passed on to it. The primary consumer is then eaten by a secondary consumer (frog). The secondary consumer is eaten by a tertiary consumer (snake), and the tertiary consumer is eaten by the final consumer (hawk). The final consumer, when dead, gets decomposed. In this way, energy gets transferred from one consumer to the next higher level consumer. A series of organisms through which food energy flows in an ecosystem is called a food chain.

Answer 1

Answer:

Primary producers—usually plants and other photosynthesizers—are the gateway for energy to enter food webs.

Productivity is the rate at which energy is added to the bodies of a group of organisms—such as primary producers—in the form of biomass.

Gross productivity is the overall rate of energy capture. Net productivity is lower, adjusted for energy used by organisms in respiration/metabolism.

Energy transfer between trophic levels is inefficient. Only about 10% of the net productivity of one level ends up as net productivity at the next level.

Ecological pyramids are visual representations of energy flow, biomass accumulation, and number of individuals at different trophic levels

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