Question

What is primary productivity?(1 point)
Responses

The rate at which energy is consumed by animals
The rate at which energy is consumed by animals

The rate at which energy is stored by plants
The rate at which energy is stored by plants

The decomposition rate of organic matter
The decomposition rate of organic matter

The total biomass of all organisms in an ecosystem
The total biomass of all organisms in an ecosystem
Question 14
Biomagnification refers to:(1 point)
Responses

The conversion of toxins to harmless substances
The conversion of toxins to harmless substances

The increase in toxin concentration as it moves up the food chain
The increase in toxin concentration as it moves up the food chain

The decrease in toxin concentration as it moves up the food chain
The decrease in toxin concentration as it moves up the food chain

The spread of toxins through air and water

Answer 1

**Primary productivity** refers to:

**The rate at which energy is stored by plants.**

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**Biomagnification** refers to:

**The increase in toxin concentration as it moves up the food chain.**