Species Interactions and Food Webs and Energy

Front

What do producers use to make their own food?

Back

Producers primarily use sunlight to make their own food through the process of photosynthesis.

Front

What is mutualism?

Back

Mutualism is a relationship between two organisms in which both benefit from the interaction.

Front

How many types of symbiosis are there?

Back

There are three types of symbiosis: mutualism, commensalism, and parasitism.

Front

What is commensalism?

Back

Commensalism is a relationship between two organisms in which one benefits and the other is unharmed.

Front

What does a food pyramid represent?

Back

A food pyramid represents the relative amount of energy available at each trophic level in an ecosystem.

Front

What is parasitism?

Back

Parasitism is a relationship between two organisms in which one organism benefits at the expense of the other.

Front

Define 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 the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and supporting plant growth.

Front

What is competition in ecology?

Back

Competition is a relationship where two organisms vie for the same resources, such as food, space, or light.

Front

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

Back

A food chain is a linear sequence of organisms through which energy flows, while a food web is a complex network of interconnected food chains.