Interactions in an Ecosystem

What is the definition of Symbiosis?

• A) A relationship where both species benefit

• B) A relationship where one organism benefits and the other is unaffected

• C) A relationship between two different organisms

• D) An organism that kills and eats all or part of another organism

Tags

NGSS.MS-LS2-2

What is the definition of Mutualism?

• A) A relationship where both species benefit

• B) A relationship where one organism benefits and the other is unaffected

• C) A relationship between two different organisms

• D) An organism that kills and eats all or part of another organism

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

What is the definition of Commensalism?

• A) A relationship where both species benefit

• B) A relationship where one organism benefits and the other is unaffected

• C) A relationship between two different organisms

• D) An organism that kills and eats all or part of another organism

What is the definition of Parasitism?

• A) A relationship where both species benefit

• B) A relationship where one organism benefits and the other is unaffected

• C) A relationship where one species benefits and the other is harmed

• D) An organism that kills and eats all or part of another organism

What is the definition of Competition?

• A) A relationship where both species benefit

• B) Two or more organisms depend on the same limited resource

• C) A relationship between two different organisms

• D) An organism that kills and eats all or part of another organism

What is the definition of Predator?

• A) A relationship where both species benefit

• B) A relationship where one organism benefits and the other is unaffected

• C) A relationship between two different organisms

• D) An organism that kills and eats all or part of another organism

Tags

NGSS.MS-LS2-3

What is the definition of prey?

• A) A relationship where both species benefit

• B) A relationship where one organism benefits and the other is unaffected

• C) An organism that is killed and eaten by another organism

• D) An organism that kills and eats all or part of another organism

Tags

NGSS.MS-LS2-4

Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS2-2

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. 

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS2-2

Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark. 

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS2-2