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Unit 1 Ecology Test Review

Total questions: 30

Worksheet time: 27mins

Name
Class
Date
1.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
2.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
3.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
4.

symbiotic relationship in which both organisms benefit

a)

competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

5.
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
6.
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
7.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.
a)
Mutualsim 
b)
Parasitism 
c)
Commensalism 
8.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
9.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
10.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens 
d)
A rose Bush
11.
Succession that occurs in an area with NO SOIL
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
12.
The owl receives energy from which organisms?
a)
grasshopper and mouse
b)
mouse and rabbit
c)
rabbit and butterfly
d)
butterfly and frog
13.
Name the producers in this food web.
a)
seagull and fish
b)
penguin and crab
c)
phytoplankton and seaweed
d)
seaweed and zooplankton
14.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
15.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
16.
A forest full of many kinds of trees and grasses is an example of a
a)
group
b)
organism
c)
population
d)
community
17.
Which is an example of a population?
a)
different kinds of bacteria
b)
A group of fish and sharks
c)
deer, bear, and rabbits
d)
A herd of cattle
18.
Which of the following is a population?
a)
an elephant
b)
a forest
c)
the savannah
d)
pack of wolves
19.

If the grasshopper were to be removed completely from the food web, what organism would be most negatively effected?

a)

The squirrel

b)

The shrew

c)

The deer

d)

The rabbit

20.

The fox in this food web would be considered a:

a)

Secondary and Tertiary Consumer

b)

Producer

c)

Secondary Consumer ONLY

d)

Primary Consumer and Secondary consumer

21.

what is the mouse called?

a)

producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

22.
An ecological pyramid is sometimes used to show both the flow of matter and energy in an ecosystem. The pyramid narrows as matter and energy flow from the bottom to the top. What does this pyramid tell you about the energy in this ecosystem?
a)
Energy stays the same. Only the number of living things change.
b)
Energy decreases from the top to the bottom as organisms are larger in size.
c)
Energy increases from bottom to top because the organisms get larger in size.
d)
Energy decreases from bottom to top because some is used at each level for life processes.
23.

How is primary succession different from secondary succession?

a)

Primary succession starts with soil.

b)

Secondary succession start with bare rock.

c)

Primary succession starts with bare rock, with lichens and moss.

d)

Fire is an example of primary succession.

24.

Biodiversity, aka biological diversity, usually refers to

a)

the same species in a general location

b)

the number of different species in a given area

c)

the number of animal species in a given area

d)

the number of plant species in a given area

25.

Which of the following is a characteristic of a habitat in the earliest stages of succession?

a)

Relatively low biodiversity

b)

Mostly hardwood trees

c)

Thick layer of rich soil

d)

High density of organic matter

26.

Andrea is on the girls cross country team. She is heading out for a run when she comes across 20 Canadian geese. What level of organization is this group of Canadian geese?

a)

organism

b)

population

c)

community

d)

biome

27.
Identify the examples as: a organism, population, community, or ecosystem.
Water, Fish, Turtles, Oxygen, Rocks and Moss interacting in a river system.
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
28.
Identify the examples as: a organism, population, community, or ecosystem.
Chicken, Cow, Grass, Buffalo, and Mouse living on farmland.
a)
Organism
b)
Community
c)
Population
d)
Ecosystem
29.

320,000 kCals of energy are found at the producer level in an energy pyramid. How much energy is available for consumers in the primary consumer level? (Hint: use the Rule of 10s)

a)

320,000 kCals

b)

32,000 kCals

c)

3,200 kCals

d)

320 kCals

30.

Kilocalories (kCal) is a measure of energy. If there are 1000 kCal available for the producers in trophic level #1, how much energy is available for the secondary consumers trophic level #3? (Hint: use the Rule of 10s)

a)

10 kCal

b)

1 kCal

c)

100 kCal

d)

1000 kCal

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