Interactions in An Ecosystem

Interaction where BOTH organisms BENEFIT from the relationship.

• Mutualism

• Parasitism

Interaction where ONE benefits while the other is not harmed.

• Commensalism

• Predation

Relationship where one organism is BENEFITED while the other is BADLY AFFECTED (KILLED/HARMED.)

• Predation

• Mutualism

A relationship which also harms one organism. It actually includes a parasite (small organism).

• parasitism

• Predation

Organisms are striving between each other for things needed.

• Competition

• mutualism

Which are BENEFICIAL INTERACTIONS? Choose 2.

• Predation

• Mutualism

• Commensalism

• Competition

Which are Harmful interactions? Choose 3.

• Competition

• mutualism

• Predation

• Parasitism

What type of interaction does the picture show?

• Mutualism

• Commensalism

• predation

• parasitism

An Orchid has bloomed and benefiting from the tree. The tree, on the other hand is NOT harmed.

• Commensalism

• Parasitism

• Predation

• Parasitism

A bird caught a worm as its food. The interaction is ______.

• Predation

• Mutualism

• Competition