Log in
Sign up for FREE
arrow_back
Library

Interactions in Ecosystems 2023-24

star
star
star
star
star
Last updated about 2 years ago
30 questions
Please read each scenario and classify as predation +-, competition --, mutualism ++, commensalism +0, or parasitism +-
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.

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

Question 2
2.

Who benefits in the above question?

Question 3
3.

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

Question 4
4.

Who benefits in the above example?

Question 5
5.

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

Question 6
6.

Who benefits in the above question?

Question 7
7.

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

Question 8
8.

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.

Question 9
9.

Which organism benefits in the above question?

Question 10
10.

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

Question 11
11.

Which organism benefits in the above question?

Question 12
12.

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.

Question 13
13.

Lions and cheetahs hunt the same pack of ostriches.

Question 14
14.

A bear eats a fish it caught in a river.

Question 15
15.

Which organism benefits in the above question?

Question 16
16.

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?

Question 17
17.

Who benefits in the interaction in the above question?

Question 18
18.

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

Question 19
19.

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

Question 20
20.

A fox hunts a rabbit and eats it.

Question 21
21.

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

Question 22
22.

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

Question 23
23.

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

Question 24
24.

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.

Question 25
25.

Shrimp search for and consume small plankton in the water.

Question 26
26.

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

Question 27
27.

Giraffes and elephants are drinking from the same watering hole.

Question 28
28.

Who benefits in the interaction in the above question?

Question 29
29.

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

Question 30
30.

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.