Symbiosis mutualism parasitism

What is symbiosis?

Symbiosis is a close ecological relationship between two or more different species.

Term for beneficial symbiosis?

Mutualism, where both species benefit from the relationship.

Example of mutualism?

Bees and flowers; bees get nectar, flowers get pollinated.

What is parasitism?

A relationship where one organism benefits at the expense of another.

True or false: All symbiotic relationships are beneficial.

False, because some can be harmful, like parasitism.

Difference between mutualism and parasitism?

Mutualism benefits both species, while parasitism benefits one and harms the other.

Fill in the blank: A ___ is a host for a parasite.

The host provides resources for the parasite, often harming itself.

Question: What happens in commensalism?

One species benefits, and the other is neither helped nor harmed.

Example of parasitism?

Ticks feeding on mammals; ticks gain nutrients while the host suffers.

True or false: Mutualism can evolve over time.

True, because species adapt to each other's needs.

What is an example of commensalism?

Barnacles on whales; barnacles benefit, while whales are unaffected.

Question: How do parasites impact their hosts?

They can weaken hosts, reduce reproduction, or lead to death.

What is an ecological niche?

The role and position a species has in its environment.

Fill in the blank: The ___ is harmed by parasitism.

The host suffers from the relationship with the parasite.

Which is NOT a type of symbiosis?

Competition; it involves organisms fighting for the same resources.