Relationships in Ecosystems

Select the type of

relationship explained

in each scenario.

 

 

 

1) The shrimp is immune to the stinging tentacles

of the sea anemone and hides near it

to be protected from predators.

Mutualism 

Commensalism

Parasitism

Predator/Prey

2) Green algae and fungus depend on each other,

the fungus gets nutrients from the algae and the 

algae gets water and nutrients from the fungus.

 

 

 

Mutualism 

Commensalism

Parasitism

Predator/Prey

3) The tapeworm attaches to the intestinal wall

of the dog and uses the nutrients that are

absorbed by the dog.

Mutualism 

Commensalism

Parasitism

Predator/Prey

4) The owl has adapted to its ecosystem.

 At night the owl uses the features of large eyes,

 silent feathers, good hearing, and talons

 to find food.

Mutualism 

Commensalism

Parasitism

Predator/Prey

5) The gall insect lays eggs in an oak tree,

causing a lump that isn't harmful to the tree.

It also gets shelter and food from the tree.

 

 

 

 

Mutualism 

Commensalism

Parasitism

Predator/Prey

6) Morel mushrooms help the tree roots absorb water

and minerals. The sugar and starches from the roots

are absorbed by the mushroom. When the tree dies,

the mushrooms produce spores and reproduce.

Mutualism 

Commensalism

Parasitism

Predator/Prey

7) Freshwater mussels lay larvae on fish which

 irrate the fish's scales.

Mutualism 

Commensalism

Parasitism

Predator/Prey

8) The human digestive system contains bacteria

 which aide in digestion and vitamin production.

Mutualism 

Commensalism

Parasitism

Predator/Prey

9) The bison stirs up insects in the grass,

which cowbird eats.

Mutualism 

Commensalism

Parasitism

Predator/Prey

10) An archer fish uses a spray (a fine jet of water)

to knock an insect off a low lying branch into

the water so it can be eaten.

 
Mutualism 

Commensalism

Parasitism

Predator/Prey

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