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Interactions in Ecosystems 2023-24

Last updated over 2 years ago

30 questions

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Please read each scenario and classify as predation +-, competition --, mutualism ++, commensalism +0, or parasitism +-

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 17

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Question 18

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Question 19

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Question 20

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Question 21

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Question 24

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Question 25

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Question 26

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Question 27

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Question 28

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Question 29

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Question 30

30.

Barnacles create home sites by attaching themselves to whales.  The whales are unharmed.

Predation

Competition

Mutualism

Commensalism

Parasitism

Who benefits in the above question?

Barnacles

Whales

Both

Neither

Silverfish live and hunt with army ants.  They share the prey.

Predation

Competition

Mutualism

Commensalism

Parasitism

Who benefits in the above example?

Silverfish

Army ants

Both

Neither

Ticks feed on deer blood to the deer's detriment.

Predation

Competition

Mutualism

Commensalism

Parasitism

Who benefits in the above question?

Tick

Deer

Both

Neither

A flock of birds arrive in a yard with only one bird feeder.  Some birds get left out.

Predation

Competition

Mutualism

Commensalism

Parasitism

Ostriches and gazelles feed next to each other.  They both watch for predators and alert each other to damage.  Since the visual abilities of the two species are different, they each can identify threats the other animal would not readily see.

Predation

Competition

Mutualism

Commensalism

Parasitism

Which organism benefits in the above question?

ostriches

gazelles

both

neither

A cuckoo and a warbler try for the same nesting space to lay their eggs.

Predation

Competition

Mutualism

Commensalism

Parasitism

Which organism benefits in the above question?

cuckoo

warbler

both

neither

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.

Predation

Competition

Mutualism

Commensalism

Parasitism

Lions and cheetahs hunt the same pack of ostriches.

Predation

Competition

Mutualism

Commensalism

Parasitism

A bear eats a fish it caught in a river.

Predation

Competition

Mutualism

Commensalism

Parasitism

Which organism benefits in the above question?

The bear

The fish

both

neither

As rhinos walk through the grass; insects become active and are seen and eaten by egrets. What is the relationship between the rhinos and the egrets?

Predation

Competition

Mutualism

Commensalism

Parasitism

Who benefits in the interaction in the above question?

rhinos

insects

egrets

all of them

A flea feeds on a mouse's blood to the mouse's detriment.

Predation

Competition

Mutualism

Commensalism

Parasitism

Which organism is harmed in the interaction in the above question?

flea

mouse

both

neither

A fox hunts a rabbit and eats it.

Predation

Competition

Mutualism

Commensalism

Parasitism

Mistletoe extracts water and nutrients from the spruce to the spruce tree's detriment.

Predation

Competition

Mutualism

Commensalism

Parasitism

Which organism is harmed in the interaction in the above question?

mistletoe

spruce

both

neither

Small fish called remoras accompany sharks and dine on scraps left over when sharks feed.

Predation

Competition

Mutualism

Commensalism

Parasitism

Honey guide birds alert and direct badgers to bee hives.  The badgers then expose the hives and feed on the honey first.  Then the honey guide birds eat.

Predation

Competition

Mutualism

Commensalism

Parasitism

Shrimp search for and consume small plankton in the water.

Predation

Competition

Mutualism

Commensalism

Parasitism

A small shrimp takes shelter inside a sponge, which is apparently unaffected by the shrimp.

Predation

Competition

Mutualism

Commensalism

Parasitism

Giraffes and elephants are drinking from the same watering hole.

Predation

Competition

Mutualism

Commensalism

Parasitism

Who benefits in the interaction in the above question?

Giraffes

Elephants

Both

Neither

Lions hunt and eat large herbivorous mammals such as zebras and wildebeest.

Predation

Competition

Mutualism

Commensalism

Parasitism

Tapeworms get their nutrition by attaching themselves to the insides of intestines of pigs, cows, and humans.  They get nutrition by eating the partly digested food depriving the host of their nutrients.

Predation

Competition

Mutualism

Commensalism

Parasitism