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Ecological Relationships and Limiting Factors

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.
A relationship that describe a close interaction between two different species is known as what?
a)
Biodiversity
b)
Symbiosis
c)
Predation
d)
Emigration
2.
If there is more food than usual in an ecosystem, then...
a)
Populations will stay the same
b)
Populations will decrease
c)
Populations will increase
3.

As a leopard is searching for prey, a lion stalks and slowly approaches it. This could be considered what type of relationship between the lion and leopard?

a)

Competition

b)

Predator/Prey

c)

Mutualism

d)

Commensalism

4.
If the population of a certain predator increases, there is often _______ its prey
a)
a decrease the population of
b)
an increase of the population of 
c)
great news for its prey of
d)
no  impact found on
5.
This is known as a relationship in which one organism benefits, while the other is unaffected.
a)
Parasitism
b)
Mutualism
c)
Immigration
d)
Commensalism
6.
The organism that is hunted and eaten in a particular feeding relationship is known as:
a)
Predator
b)
Decomposer
c)
Prey
d)
Autotroph
7.
This is known as a relationship in which both organisms involved benefit. 
a)
Predator-Prey
b)
Commensalism
c)
Mutualism
d)
Decomposition
8.
Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Competition
9.

Remoras are fish that generally latch on to sharks and eat leftovers of food from the shark. This is an example of which type of ecological relationship?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Competition

10.

What would you call an ecological symbiotic relationship that is helpful to both organisms involved?

a)
commensalism
b)
niche
c)
mutualism
d)
habitat
e)
parasitism
11.
Limiting factors are sometimes helpful because they can keep the population from getting too large.
a)
True
b)
False
12.

Plover birds typically eat parasites trapped inside of crocodiles' mouths. The plover receives a meal, while the crocodile is rid of parasites. What type of ecological relationships does this scenario represent?

a)

Mutualism

b)

Predator/Prey

c)

Competition

d)

Commensalism

13.
Food, water, sunlight, shelter, and space are resources that are  __________.
a)
limiting factors
b)
wet
c)
messy
d)
found in rocks
14.
Barnacles sometimes live on the outside surface of other larger shelled organisms without causing any harm. What is the ecological relationship?
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Predator-Prey
15.

Lions typical fight to death for territory, mates, and food sources. Lions are most likely fighting due to:

a)

Commensalism

b)

Mutualism

c)

Competition

d)

Parasitism

16.

Cordyceps are a type of a fungi that hijack insects muscular and nervous systems, eventually leading to the death of the insect. What type of relationship is this?

a)

Commensalism

b)

Predator/Prey

c)

Parasitism

d)

Competition

17.

The animal in an ecological relationship that results in another animal being hunted, killed, and eaten…

a)

autotroph

b)

habitat

c)

predator

d)

herbivore

e)

producer

18.

What is the general term used to describe the interaction between two different organisms that are living in close physical association?

a)

photosynthesis

b)

symbiosis

c)

habitat

d)

prey

e)

omnivore

19.
Pseudoscorpions often hitch rides on the backs of large beetles or true bugs. What is the ecological relationship?
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Cooperation
20.
Any thing or organism that regulates the size of a population of another organism is known as __________.
a)
a limiting measure
b)
a limiting factor
c)
factorization
d)
materialization of precipitation