Symbiosis & Biotic/Abiotic 6.12ab TEK

Front

What is symbiosis?

Back

Symbiosis is a close and long-term interaction between two different species, which can be beneficial, neutral, or harmful to one or both parties.

Front

What are the three main types of symbiotic relationships?

Back

The three main types of symbiotic relationships are mutualism, commensalism, and parasitism.

Front

Define mutualism.

Back

Mutualism is a type of symbiotic relationship where both organisms benefit from the interaction.

Front

Define commensalism.

Back

Commensalism is a type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

Front

Define parasitism.

Back

Parasitism is a type of symbiotic relationship where one organism benefits at the expense of the other, which is harmed.

Front

Give an example of mutualism.

Back

An example of mutualism is bees pollinating flowers while obtaining nectar for food.

Front

Give an example of commensalism.

Back

An example of commensalism is cattle egrets feeding on insects stirred up by grazing cattle.

Front

Give an example of parasitism.

Back

An example of parasitism is a mosquito feeding on a human's blood.

Front

What is a host in a parasitic relationship?

Back

A host is the organism that is harmed and provides nourishment to the parasite.

Front

What is a parasite?

Back

A parasite is an organism that lives on or in a host and benefits by deriving nutrients at the host's expense.