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WorksheetsRelationships in Ecosystems
Total questions: 46
Worksheet time: 44mins
Name
Class
Date
1.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
2.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
3.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
4.
What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
5.
What type of symbiosis? Skunks often live in burrows that have been dug and abandoned by woodchucks.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
6.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
7.
Red-billed oxpeckers are birds that often feed on parasites that infest impala. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
8.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
9.
When a mosquito bites you, you are the __________ and the mosquito is the ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
10.
Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.
a)
Predation
b)
Parasitism
c)
Commensalism
d)
Mutualism
11.
Rabbits and sheep both graze on shrubs, grasses, and other plants. The increase in the population of rabbits in a region may result in a shortage of plants for sheep to graze upon. After the increase of rabbits the relationship between sheep and rabbits will be __________.
a)
Competition
b)
Predation
c)
Mutualism
d)
Parasitism
12.
Sloth’s and monkeys share the same tropical habitat. Deforestation is occurring limiting the space for these two species. What will now occur between the two species?
a)
Mutualism
b)
Parasitism
c)
Cooperation
d)
Competition
13.
An interaction among species where one organism hunts, kills, and eats another organism.
a)
Predation
b)
Cooperation
c)
Mutualism
d)
Parasitism
14.
What role does the lynx (wild cat) play?
a)
Predator
b)
Prey
15.
What role does the mouse play?
a)
Predator
b)
Prey
16.
If a hawk eats a snake, the snake is the...
a)
Predator
b)
Alpha
c)
Prey
d)
Mutualistic partner
17.
A tapeworm, which is living inside a mouse's body is a predator.
a)
True
b)
False
18.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
19.
The organism that does the killing in a predation interaction
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
20.
The struggle between organisms to survive as they attempt to use the same resource
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
21.
On a safari at night, a lion hunts and feeds on an antelope. In this relationship, the lion is the ____________________ and the antelope is the _________________.
a)
Parasite/host
b)
Predator/prey
c)
Prey/Predator
22.
In predation, the organism that kills another organism for food is the prey.
a)
True
b)
False
23.
A relationship between two organisms in which one organism benefits and the other is unharmed
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
24.
A relationship in which two species live closely together.
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
25.
Barnacles create home sites by attaching themselves to whales. The whale is unaffected.
a)
commensalism
b)
mutualism
c)
predation
d)
laziness
26.
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.
a)
mutualism
b)
commensalism
c)
predation
d)
competition
27.
A cuckoo may lay its eggs in a warbler's nest. The cuckoo's young will displace (or move) the warbler's young and will be raised by the warbler.
a)
Parasitism
b)
Commensalism
c)
Predation
d)
Competition
28.
Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see.
a)
Parasitism
b)
Commensalism
c)
Mutualism
d)
Competition.
29.
When two organisms have a symbiotic relationship where one is helped and the other i harmed it is __________.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
30.
A bird makes a nest in a tree. The bird gets a house, but the tree is unharmed.
a)
commensalism
b)
mutualism
c)
Parasitism
d)
predation
31.
A squirrel hides his acorns from the chipmunks for the winter.
a)
commensalism
b)
parasitism
c)
competition
d)
mutualism
32.
A bear eats fish out of the river.
a)
mutualism
b)
parasitism
c)
predator / prey
d)
host / parasite
33.
In the relationship between a lion and a gazelle, who is the prey?
a)
Gazelle
b)
lion
c)
grass
d)
none
34.
Organisms will fight for _______, _______, and ________.
a)
Food, water, living space
b)
mutualism, commensalism, parasitism
c)
predation, prey, predator
d)
brothers, sisters, parents
35.
When two male lions fight over a lady lion this is _______.
a)
predation
b)
competition
c)
parasitism
d)
Bullying
36.
When two organisms both benefit in a symbiotic relationship it is __________.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
37.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
38.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
39.
Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
40.
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.
a)
Mutualism
b)
Parasitism
c)
Commensalism
41.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit.
a)
Mutualism
b)
Parasitism
c)
Commensalism
42.
Silverfish live and hunt with army ants. They share the prey. They neither help nor harm the ants.
a)
Mutualism
b)
Parasitism
c)
Commensalism
43.
What type of symbiosis?
* Hummingbirds feed on nectar from flowers.
* Flowers are pollinated by hummingbirds as they move from flower to flower.
* Hummingbirds feed on nectar from flowers.
* Flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
44.
What type of symbiosis?
*Remora use suckers to attach temporarily to large marine animals such as sharks, manta rays, whales, turtles, or large fish.
*The shark provides free transportation, protection, and dropped food and feces which the remora feeds on. The host is not injured.
*Remora use suckers to attach temporarily to large marine animals such as sharks, manta rays, whales, turtles, or large fish.
*The shark provides free transportation, protection, and dropped food and feces which the remora feeds on. The host is not injured.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
45.
What type of symbiosis?
* Human intestine provides food for bacteria that live inside digestive system
*Beneficial bacteria live in the intestine of humans and help digest cellulose from plants which humans don’t have the enzymes to break down.
* Human intestine provides food for bacteria that live inside digestive system
*Beneficial bacteria live in the intestine of humans and help digest cellulose from plants which humans don’t have the enzymes to break down.
a)
commensalism
b)
mutualism
c)
parasititsm
d)
predation
46.
What does symbiosis mean?
a)
A.living separately, no relationship between 2 species, at least one benefits
b)
A.living together, close relationship between 2 species, at least one benesfits
c)
A.Living separately, long distance relationship between 2 species, at least one benefits
d)
When one species kills and eats another
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