Ecology Review

Front

What is a trophic level?

Back

A trophic level represents a feeding level in an ecosystem.

Front

How is the direction of energy flow in a food web represented?

Back

The direction of the flow of energy in a food web is represented by arrows.

Front

What are autotrophs/producers?

Back

Autotrophs, also known as producers, are organisms that can produce their own food, typically through photosynthesis, such as algae, grasses, and trees.

Front

What is parasitism?

Back

Parasitism is an ongoing relationship in which one organism benefits and the other is harmed.

Front

What type of relationship exists between birds that eat food from between the teeth of alligators?

Back

This relationship is called mutualism, where both organisms benefit.

Front

Define consumers in an ecosystem.

Back

Consumers are organisms that cannot produce their own food and rely on other organisms for energy.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil and helping to recycle matter in the ecosystem.

Front

What is the difference between mutualism and commensalism?

Back

In mutualism, both organisms benefit from the relationship, while in commensalism, one organism benefits and the other is neither helped nor harmed.

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to the resilience of ecosystems, allowing them to withstand environmental changes and providing a variety of resources.