WorksheetsSymbiosis
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales.
a)
parasitism
b)
commensalism
c)
mutualism
2.
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)
parasitism
b)
commensalism
c)
mutualism
3.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed.
a)
parasitism
b)
commensalism
c)
mutualism
4.
The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.
a)
parasitism
b)
commensalism
c)
mutualism
5.
Hermit Crabs live in shells made and then abandoned by snails.
a)
Commensalism
b)
Parasitism
c)
Competition
6.
In a parasitic relationship, one organism is ___________ and one organism is benefiting.
a)
helped
b)
harmed
c)
not effected
d)
happy
7.
In a mutual relationship, both organisms are ________________.
a)
hurt
b)
not effected
c)
harmed
d)
benefiting
8.
Commensalism is where one organism is benefiting and the other organism is _____________________.
a)
not effected
b)
helped
c)
harmed
d)
hurt
9.
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
10.
A tick is a parasite to a horse. Which statement best describes the relationship between the tick and the horse?
a)
a. The tick helps the horse get food.
b)
a. The tick harms the horse by feeding on its blood.
c)
a. The horse harms the tick by feeding on its blood.
d)
The tick does not affect the horse.
11.
Mrs. Bush’s cat has fleas. A flea is a parasite that gets its energy from Dante’s blood. How are the flea and the cat affected in this relationship?
a)
Both organisms are helped.
b)
Both organisms are not affected.
c)
One organism is helped and one organism is not effected.
d)
One organism is helped and another organism is harmed.
12.
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.
13.
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
14.
Tapeworms live in the intestines of dogs and absorb nutrients from food the dog eats. Which best describes the outcome of this relationship?
a)
The dog and tapeworm both become ill.
b)
The dog becomes ill, and the tapeworm benefits.
c)
The tapeworm and dog helpe ach other survive.
d)
The tapeworm helps the dog survive.
15.
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
100 %
