DOL Symbiosis 9-10-25

1. Symbiosis is where one organism has a close ​ (a)   with a different organism. Choose the best answer.

• relationship
• species
• predation
• size
• color

2. A plant is pollinated by a species of moth. The moths lay their eggs in the flowers of the plant for protection and food.

Which of the following best defines the ecological interaction between the plant and the moths?

• Commensalism
• Parasitism
• Predation
• Mutualism

Tags

NGSS.MS-LS2-2

3.  Suckerfish attach themselves to the side of a shark’s body, traveling with the shark and feeding on the shark's leftover food. The sharks are not helped or harmed by the suckerfish.  What type of ecological interaction exists between the shark and the suckerfish?

• Mutualism
• Parasitism
• Predation
• Commensalism

4.  

Part A

  Polar bears wander the ice looking for signs of seals. Once they find a seal they will attack and eat it. Which of the following is the correct relationship?

• Predator-prey relationship
• Commensal relationship
• Mutualistic relationship
• Symbiotic relationship

Tags

NGSS.MS-LS2-2

Part B

Refer back to #4, Explain why you choose your answer using text evidence.

Answer explanation

The polar bear is stalking around for their food to come around. The text states they will attack the seal. Therefore, this is predation.

Tags

NGSS.MS-LS2-4

5. Part A

A tapeworm lives inside the digestive tracts of a sheep and feeds on the nutrients of the food the sheep eats.

What type of ecological interaction does the tapeworm have with the sheep?

• Parasitism
• Competition
• Commensalism
• Mutualism

Part B

Refer back to #5, EXPLAIN  why you choose your answer choice. Use the question to support your answer.

Answer explanation

The relationship between the tapeworm and sheep is parasitism because the tapeworm is eating the nutrients of the sheep and the sheep will lack nutrients soon enough and die.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS2-4