WorksheetsSymbiotic Relationships Practice
Total questions: 37
Worksheet time: 37mins
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.
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
4.
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
5.
Which symbols best describe parasitism?
a)
:), :)
b)
:), :(
c)
:), :|
d)
:(, :|
6.
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
7.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
8.
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
9.
What type of symbiosis is this?
*Hermit crabs find shells left by snails that have died and move in.
* Snails die and leave behind their shells.
*Hermit crabs find shells left by snails that have died and move in.
* Snails die and leave behind their shells.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
10.
Which symbols best describe mutualism?
a)
:), :)
b)
:), :(
c)
:), :|
d)
:), :|
11.
Silverfish live and hunt with army ants. They share the prey. They neither help nor harm the ants.
a)
Mutualism
b)
Parasitism
c)
Commensalism
12.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
13.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales.
a)
parasitism
b)
commensalism
c)
mutualism
14.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed.
a)
parasitism
b)
commensalism
c)
mutualism
15.
Ostriches and gazelles feed next to each other. They both watch for predators and alert each other to danger. Because their visual abilities are different, they can identify threats that the other animal would not see as readily.
a)
parasitism
b)
commensalism
c)
mutualism
16.
Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Next the honey guide birds eat. Both species benefit.
a)
parasitism
b)
commensalism
c)
mutualism
17.
A cuckoo may lay its eggs in a warbler’s nest. The cuckoo’s young will knock the warbler’s eggs out of a nest and the warbler will raise the cuckoo’s young.
a)
parasitism
b)
commensalism
c)
mutualism
18.
Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.
a)
parasitism
b)
commensalism
c)
mutualism
19.
As bison walk through grass, insects become active and are seen and eaten by cowbirds. The relationship neither harms nor benefits the bison.
a)
parasitism
b)
commensalism
c)
mutualism
20.
Which symbols best describe commensalism?
a)
:), :)
b)
:), :(
c)
:), :|
d)
:|, :|
21.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
22.
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)
commensalism
b)
parasitism
c)
mutualism
23.
A flea feeds on a mouse's blood to the mouse's detriment.
a)
commensalism
b)
parasitism
c)
mutualism
24.
Wrasse fish feed on the parasites found on the black sea bass's body. Both species benefit.
a)
commensalism
b)
parasitism
c)
mutualism
25.
A mite lives in the base of the eyelashes of people who use mascara. It feeds on the mascara; it does not seem to harm people. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
26.
Cleaner shrimp living in the ocean eat ectoparasites (parasites on the outer surface of the animal) off of fish. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
27.
Bacteria that live on the surface of our teeth require sugar from our food to survive. A by-product of their metabolism (body processes) decays the enamel of teeth. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
28.
In a parasitic relationship, one organism is ___________ and one organism is benefiting.
a)
helped
b)
harmed
c)
not effected
d)
happy
29.
In a mutual relationship, both organisms are ________________.
a)
hurt
b)
not effected
c)
harmed
d)
benefiting
30.
Commensalism is where one organism is benefiting and the other organism is _____________________.
a)
not effected
b)
helped
c)
harmed
d)
hurt
31.
1. A bee and a flower work together to benefit each other. This is an example of _________________. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar.
a)
commensal relationship
b)
parasitic relationship
c)
mutual relationship
32.
A dog is harmed by a tick when it sucks the dog’s blood. The tick is benefiting because it is getting nutrients from the dog. This is an example of a ________________.
a)
parasitic relationship
b)
mutual relationship
c)
commensal relationship
33.
A tapir and a song bird work together to help each other find food. The tapir follows the sound of the song bird to the tree filled with sap. The tapir has sharp claws and is able to rip open the section of the tree that contains the sap. Without the tapir, the bird would not be able to access the sap for food. This is an example of a _________________ relationship.
a)
mutual
b)
commensal
c)
parasitic
34.
Which is an example of commensalism?
a)
Two different kinds of organisms harming each other.
b)
Two different kinds of organisms are neither helping nor harming each other.
c)
One kind of organism is being helped, but the other one is not harmed or helped.
d)
One kind of organism is being helped, but the other is harmed.
35.
Lichens are made of fungi and algae that benefit from growing together. Which of these best describes this relationship?
a)
parasitic
b)
commensal
c)
competetive
d)
mutual
36.
Which interaction benefits both organisms?
a)
A flea living on a dog
b)
A bee pollinating a flower
c)
A tapeworm living inside an animal
d)
A mosquito biting a person
37.
a symbiotic relationship exists between organisms of two different species that live together in direct contact
a)
competition
b)
symbiosis
c)
predation
100 %
