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WorksheetsSpecies interactions
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
A relationship between two species where one benefits while the other is harmed.
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Naturalism
2.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
3.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
4.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
5.
A relationship between two organisms in which one organism benefits and the other is unharmed
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
6.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
7.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?
a)
Mutualism
b)
Parasitism
c)
Commensalism
8.
A relationship in which two species live closely together.
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
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.
The crocodile and bird have a _______________ relationship. The crocodile benefits by having its teeth cleaned. The bird benefits by gaining food and protection. Both animals benefit from this relationship.
a)
parasitism
b)
predator and prey
c)
mutualism
d)
commensalism
11.
a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed
a)
parasitism
b)
symbiosis
c)
predation
d)
hunting
12.
What type of species interaction is the following: two bears fighting over the same mate.
a)
predation
b)
mutualism
c)
competition
d)
parasitism
13.
Name the species interaction: A decorator crab camouflages itself with sponges. Sponges are unaffected.
a)
competition
b)
predation
c)
commensalism
d)
mutualism
14.
Evidence shows that some grasses benefit from being grazed. Which of the following terms would best describe this plant-herbivore interaction?
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Competition
15.
Competition among members of the same species.
a)
intraspecific competition
b)
interspecific competition
16.
Competition between members of different species.
a)
intraspecific competition
b)
interspecific competition
17.
When multiple organisms seek the same limited resource, this is referred to as?
a)
Tolerence
b)
Competetion
c)
Predation
d)
Parasitism
18.
Which of the following is an interaction in which both organisms are harmed?
a)
Parasitism
b)
Predation
c)
Competition
d)
Commensalism
19.
Which biome or ecosystem has the most biodiversity?
a)
Desert
b)
Sand
c)
Tundra
d)
Rainforest
20.
Write a definition for the word "species".
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