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Ecological Relationships and Energy Flow Review

Total questions: 35

Worksheet time: 19mins

Name
Class
Date
1.
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
2.
What term best describes the grasshopper?
a)
Herbivore
b)
Predator-prey
c)
Competition
d)
Producer
3.
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
4.
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
5.
Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Mutualism
6.
What term best describes the vole, the small rodent, in this image?
a)
Prey
b)
Predator
c)
Producer
d)
Competition
7.
A relationship that describe a close interaction between two different species is known as what?
a)
Biodiversity
b)
Symbiosis
c)
Predation
d)
Emigration
8.
This is known as a relationship in which one organism benefits, while the other is unaffected.
a)
Parasitism
b)
Mutualism
c)
Immigration
d)
Commensalism
9.
The organism that is hunted and eaten in a particular feeding relationship is known as:
a)
Predator
b)
Decomposer
c)
Prey
d)
Autotroph
10.
This is known as a relationship in which both organisms involved benefit. 
a)
Predator-Prey
b)
Commensalism
c)
Mutualism
d)
Decomposition
11.
An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:
a)
Predator
b)
Autotroph
c)
Producer
d)
Decomposer
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.

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

14.

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

15.

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

16.
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
a)
1%
b)
10%
c)
100%
d)
1000%
17.
Trophic levels are represented by 
a)
squares
b)
circles
c)
pyramids
d)
lines
18.
Which animal is the apex predator?
a)
hawk
b)
lizard
c)
snake
d)
grass
19.
Which animal is not the apex predator but, a predator to a mouse?
a)
hawk
b)
rabbit
c)
snake
d)
grass
20.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
21.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
22.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
23.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
24.

Which of the following would be the definition of a scavenger/detritivore?

a)

Animals that eat insects.

b)

Organisms that feed on rocks, recycling the nutrients back into the ground.

c)

Organisms that eat only plants

d)

Things that feed on dead, rotting organisms (roadkill)

25.
Which of the following would provide the most energy in an ecosystem?
a)
Producers
b)
Herbivore
c)
Omnivore
d)
Carnivore
26.
A wolf eats a rabbit, that just ate some berries.  What would you call the rabbit?
a)
Producer
b)
Omnivore
c)
Primary Consumer
d)
2nd order Heterotrph
27.
Matter can by _____________ over and over again, and energy is needed for recycling matter. ___________ is not recycled, but it is converted from one form to another.
a)
destroyed,  matter
b)
recycled, energy
c)
destroyed, energy
28.
During ____________, _____________ convert light energy into the chemical energy in sugar molecules. 
a)
chemosynthesis, consumers
b)
chemosynthesis, producers
c)
photosynthesis, producers
29.
Some producers don't rely on light for energy. Bacteria near hydrothermal vents use sulfur molecules to produce their own ________. Producing energy-rich nutrient molecules from chemicals is called ________.
a)
consumers, photosynthesis
b)
photosynthesis, chemosynthesis
c)
food, chemosynthesis
30.
How can energy be transferred from one organism to another?
a)
The energy stored in the molecules of one organism is transferred to another organism.
b)
The matter stored in the molecules of one organism is transferred to another organism.
c)
The photosynthesis stored in the molecules of one organism is transferred to another organism.
31.
Organisms use energy to heal and repair themselves and grow or to stay warm. Organisms take food to release its energy and use it for ____________ and ___________ or transform it into _________.
a)
maintenance, growth, heat
b)
photosynthesis, chemosynthesis, producers
c)
chemosynthesis, photosynthesis, heat
32.
Examples of producers:
a)
flies, fungus, and termites
b)
plants and organisms capable of chemo or photosynthesis
c)
lions, deer, and shrubs
33.
What's a food web?
a)
A representation of all the feeding relationships within a community.
b)
A way of showing how matter and energy pass from one organism to another.
c)
A food chain provides a more complete model of feeding relationships within a community.
34.
Why are food chains commonly limited to no more than five links?
a)
Because as you move up the food chain, consumers need larger quantities of energy and matter.
b)
Because herbivores need to eat large quantities of plants to produce small amounts of body tissues, and the secondary consumers require to eat large amounts of body tissues to grow and do on.
c)
Because the original available energy is stored in plants and only that is passed along the food chain to consumers. 
d)
All of the above.
35.
How does an animal use the energy from the food consumes?
a)
To fuel its life processes such as respiration, digestion, and growth. And some energy is given off as heat.
b)
Only to move.
c)
To grow in weight.