Ecosystem quiz 7A retake 2/8

An example of a natural disaster that would eventually lead to primary succession is

• A volcano that destroys the land that was there before with lava that hardens into rock as it cools

• A fire

• A drought

• desertification of the lan

A niche is....

• A species upon which all other species depend on in an ecosystem

• A particular adaptation that helps an animal survive

• The role of an organism in its habitat, it includes how it gets its food, type of food it eats and what other organisms eat it

• The effect that a pair of organisms living together in a community have on each other

Competition is ……

• an interaction in which one organism kills another for food

• the struggle between organisms to survive as they use the same limited resources.

• A relationship where 2 species live closely together and one depends on the other for food

• protection of an animal’s territory

Which of the following animal interactions is commensalism?

• Leeches suck on the blood of animals they attach to

• Leeches suck on the blood of animals they attach to Clown fish hides in sea anemone

• Orchids attach themselves to trees for better sunlight but do not take away nutrients from the trees

Which of the following animal interactions is mutualism?

• Ringworms enter a cat’s digestive system to eat its food and the cat gets sick as a result

• The yucca moth aids in pollinating the yucca plant. The plant, in return, serves as a nest for the moth’s eggs.

• mistletoe attaches itself to trees and suck up the trees water and nutrients for itself and the tree grows less.