Ecosystems (Food Web) and Energy Flow

Grass

Lion

Mushroom

Hawk

Wind

Sunlight

Water

Soil

Producers

Decomposers

Consumers

Predators

Producer, Primary Consumer, Secondary Consumer, Tertiary Consumer

Primary Consumer, Producer, Secondary Consumer, Tertiary Consumer

Producer, Secondary Consumer, Primary Consumer, Tertiary Consumer

Tertiary Consumer, Secondary Consumer, Primary Consumer, Producer

The increase in population size at higher trophic levels

The accumulation of toxins in organisms at higher trophic levels

The flow of energy from producers to consumers

The breakdown of organic matter by decomposers

Producers

Primary Consumers

Secondary Consumers

Decomposers

Grasshopper

Rabbit

Snake

Oak tree

It increases

It decreases

It stays the same

It fluctuates randomly

Producer

Primary Consumer

Tertiary Consumer

Decomposer

Produce food

Break down dead organisms

Hunt prey

Store energy