Estuaries and Intertidal Zones

A type of interaction among living things wherein there is a struggle between organisms to survive in a habitat with limited resources is called

• competition

• symbiosis

• commensalism

• parasitism

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

• predator

• host

• prey

• parasite

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

• competition

• sumbiosis

• predation

• mutualism

When a flea is living on a dog, the dog is the

• parasite

• predator

• host

• prey

Plant eaters are known as

• herbivores

• carnivores

• omnivores

• detritivores

Barnacles create home sites by attaching themselves to whales. The whale is unaffected

• commensalism

• predation

• mutualism

• competition

The flea feeds on a mouse's blood is an example of what symbiotic interaction?

• predation

• commensalism

• parasitism

• mutualism

Two male elephants are fighting over a little elephant at the watering hole

• commensalism

• predation

• competition

• mutualism

The first organism in a food chain is always a__________.

• consumer

• carnivore

• producer

• decomposer

This term refers to the interconnected food chains.

• food web

• intertidal zones

• estuaries

• splash zone