Symbiosis (Interactions Between Organisms)

Front

What is symbiosis?

Back

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

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.

Front

Give an example of mutualism.

Back

An example of mutualism is the relationship between bees and flowering plants, where bees get nectar and plants get pollinated.

Front

Give an example of commensalism.

Back

An example of commensalism is barnacles attaching to a whale; the barnacles benefit by getting a ride to food sources, while the whale is not affected.

Front

Give an example of parasitism.

Back

An example of parasitism is a tick feeding on a dog; the tick benefits by getting food, while the dog is harmed.

Front

What does the direction of arrows in a food web represent?

Back

The direction of arrows in a food web represents the flow of energy from one organism to another.

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.