Ecology Review

Front

What is a food web?

Back

A food web represents all connections of energy flow throughout all organisms in a habitat.

Front

What is the role of producers in an ecosystem?

Back

Producers are organisms that use sunlight or chemical energy to make their own food.

Front

What percentage of energy is typically passed on to the next trophic level?

Back

10% of energy is passed on to the next trophic level.

Front

What happens to the deer population if all wolves are removed from the ecosystem?

Back

The deer population would increase and begin to compete for food.

Front

What is the difference between a food chain and a food web?

Back

A food chain shows a single pathway of energy flow, while a food web shows many possible directions of energy flow among organisms.

Front

Define a trophic level.

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What is an example of a primary consumer?

Back

An example of a primary consumer is a herbivore, such as a rabbit, that eats plants.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organisms and waste, recycling nutrients back into the ecosystem.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both species benefit from the interaction.

Front

What is the role of carnivores in an ecosystem?

Back

Carnivores are organisms that eat other animals, helping to control population sizes.