What do the arrows in a food web represent?

The first trophic level consists of

The process of taking in sunlight, carbon dioxide and water and producing sugars and oxygen is called

The process of taking in chemicals from the Earth's crust and producing food is called

When an organism accumulates a material in its body at a concentration greater than the environment.

The process of the concentration of a poison increasing as you move up the food web is known as

Which below is an example of an interaction between an aquatic and terrestrial food web.

What is the primary energy source for all living things on the surface of the Earth?

What forms the base of the food chain at hydrothermal vents?

An organism that makes its own food from the primary energy source.

Which trophic level are secondary consumers?

What percent of energy is LOST as food moves through the food chain?

Organisms which do not make their own food.

What happens as energy moves through a food chain?

What was the source of Minimata disease?

If a poison is introduced in the primary producers at a concentration of 5 ppm, and increased as a rate of 10x for each trophic level, what would be the concentration in a tertiary consumer?

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