Ecology Extra Credit

Define competition.

• Growing food
• Struggle to survive
• Surviving

What is mutualism?

• one benefits
• both benefit
• none benefit

What Is Commensalism?

• Both Organisms Don't Benefit
• Both Organisms Benefit
• One Species Is Helped and The Other Is Neither Helped nor Harmed

What is symbiosis?

• A relationship where two organism live closely together
• Where two organism avoid each other completely 
• Where two organisms play cymbals together
• Where two organisms fight for food

What is parasitism?

• Symbiotic relationship where one organism benefits while the other is harmed
• Symbiotic relationship where one organism benefits while the other is neither helped nor harmed
• Symbiotic relationship where both organisms benefit
• Symbiotic relationship where both organisms are harmed

What is a predator?

• An organism that hunts and kills other animals for food
• An organism hunted or caught for food by another organism
• An alien from a movie in the 1980s

What is prey?

• An organism that hunts and kills other animals for food
• An organism hunted or caught for food by another organism
• A shorter name for a praying mantis

An organism that no longer exists; They couldn’t adapt to environmental changes

• organism
• extinct
• food chain
• habitat

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew