In a hypotonic solution does water enter the cell, exit the cell, orenter or exit the cell at the same rate?

There are no more than five species in an ecosystem due to the conversion of food into growth by an organism is not very efficient. Thus option C is correct.

What are food chain ?

The food chain is a linear cyclical event where the transfer of nutrient and energy occur from one organism to the other.

Trophic level is defined as the stages involve in food chain which start with producers, primary, secondary and tertiary consumers.

The major parts of food chain are the sun is the primary source of energy.

Secondly producers include autotrophs such as plants, phytoplankton, cyanobacteria represent  first tropic level in a food chain.

Consumers includes herbivores, the primary consumers which eat plants, carnivores are animals which eat other animals, parasites that live on other organisms, others are scavengers eat dead decaying matter.

Decomposers integral part of food chain get energy from dead or waste organic material.  

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Answer:

TRUE

Explanation:

Answer;

The biomass and energy decreases as you move up the biomass pyramid.

Explanation;

• Biomass is the mass of material in living organism. It is usually measured as dry mass of biological material in grams. A biomass of organisms at different levels of a food chain can be shown in a pyramid of biomass.
• The biomass of in each trophic level is always less than the trophic level below because not all organisms at one stage are eaten by the same stage above. Some material and energy is passed out as waste by the organism. Some of the energy is used for growth.
• Therefore, biomass and energy decreases as you move up the biomass pyramid from one trophic level to the next.