INTERACTION LIVING THINGS YEAR 6 ( SET 4)

The struggle between organisms to survive in a habitat with limited resources is called

• competition.
• predation.
• symbiosis.
• parasitism.

When a jellyfish paralyses a tiny fish with its poisonous tentacles, the jellyfish is the 

• predator.
• prey.
• host.
• parasite.

A close relationship between two species that benefits at least one of the species is called

• natural selection.
• symbiosis.
• adaptation.
• competition.

The bacteria that live in your intestine and help break down food are an example of which type of interaction?

• competition
• mutualism
• parasitism
• predation

Which of the following describes an interaction in which one organism kills and eats another?

• competition
• symbiosis
• predation
• mutualism

Mutualism, commensalism, and parasitism are the three types of

• symbiotic relationships.
• predation.
• competition.
• prey adaptations.

A hawk building its nest on an arm of a saguaro cactus is an example of

• commensalism.
• mutualism.
• parasitism.
• predation.

An insect looks like a leaf, so it blends in with its surroundings and is hard for predators to see. The insect's characteristic is an example of commensalism.

• True
• False

A tapeworm, which is living inside a mouse's body is a predator.

• True
• False

Both species benefit in the type of symbiosis called mutualism.

• True
• False