Symbiosis and Competition 2

Front

Which term belongs in area A? Options: Mutualism, Prey, Parasitism, Predation

Back

Mutualism

Front

Which phrase belongs in area B? Options:

protozoa helping termites digest food

,

ticks feeding on a deer

,

nitrogen-fixing bacteria in plant roots

,

orchids growing on tree trunks

Back

orchids growing on tree trunks

Front

Which term belongs in area C? Options:

Mutualism

,

Competition

,

Parasitism

,

Neutralism

Back

Parasitism

Front

What is the advantage of each bird species having a different niche?

Back

There is less competition for food.

Front

In a forest community, a shelf fungus and a slug live on the side of a decaying tree trunk. The fungus digests and absorbs materials from the tree, while the slug eats algae growing on the outside of the trunk. Why do these organisms not compete with one another?

Back

the same habitat, but different niches

Front

Imported animal species often disrupt an ecosystem because in their new environment, they will most likely:

• eliminate the genetic variation of plants
• have no natural enemies
• increase the number of mutations in animals
• be unable to produce offspring

Back

have no natural enemies

Front

Relationship between moray eels and shrimp in ocean ecosystems.

Back

Parasitism

Front

The relationship between gastropods and hermit crabs, where hermit crabs use empty gastropod shells for shelter and protection, is best described as –

Back

Commensalism

Front

What happens when a non-native species is introduced into an ecosystem with no natural enemies?

Back

Outcompete native species for resources

Front

A bird builds a nest in a tree without affecting the tree

Back

Commenalistic