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Eco Review 1
Test Description: McCandless' Ecosystems review
Instructions: Answer all questions to get your test result.
1) E. Coli is a bacteria that lives in the guts of humans. The human provides the ideal habitat for the E Coli reproduction and the E Coli provides the extra Vitamin K that we use.
A
Idiotic
B
Parasitic
C
Commensalistic
D
Mutualistic
2) Where do Tertiary Consumers mainly get their energy?
A
Primary Producers
B
Secondary Consumers
C
The Sun
D
Primary Consumers
3) What Trophic level is a Tertiary Consumer?
A
1st level
B
4th level
C
2nd level
D
3rd level
4) Why might an organism have more than one arrow coming from them in a food web?
A
They may eat more than one other organism
B
They have no resources available to them
C
More than one organism may eat them
D
The organism gets its energy from multiple sources
5) A(n) ________ is all the populations in a certain area at the same time.
A
Species
B
Ecosystem
C
Population
D
community
6) An organism that uses sunlight to make its own food for energy.
A
Consumer
B
Producer
C
Herbivore
D
Decomposer
7) Which of the following is not a decomposer?
A
Bacteria
B
Fungi
C
Grass
D
Earthworm
8) Which of the following does a producer need to make its own food?
A
Carbon Dioxide
B
Shelter
C
Oxygen
D
Animals
9) The process where plants use sunlight, water, and carbon dioxide to produce sugar and oxygen is called-
A
photosynthesis
B
consumer
C
producer
D
Trophic Level
10) Energy that moves through the organisms in a food web originally comes from the –
A
sun
B
soil
C
moon
D
water
11) The news reported that there was a severe brush fire in a grassland in central Texas. How would the deer population be affected by the severe brush fire?
A
Deer would increase since they eat grass.
B
Deer would decrease since they eat grass.
C
Deer would increase since other animals would decrease.
D
Deer would decrease since other animals would decrease.
12) An animal that gets energy by eating other animals.
A
Carnivore
B
Herbivore
C
Omnivore
D
Producer
13) A single series of events in which one organism eats another.
A
Food Web
B
Ecosystem
C
Food Chain
D
Community
14) An organism that feeds on animals that are already dead is called a ________.
A
none of the above
B
scavenger
C
proucer
D
consumer
15) Which of the following processes best describes how plants get their energy? Plants get their energy by –
A
absorbing it from the soil.
B
using sunlight to make food.
C
putting gases into the air.
D
removing the nergy from the water.
16) An animal that gets energy by eating both plants and other animals
A
Decomposer
B
Herbivore
C
Carnivore
D
Omnivore
17) A community of living and nonliving things in their natural environment
A
Community
B
Consumers
C
Ecosystem
D
Population
18) Bacteria, fungi, and earthworms are examples of:
A
Decomposers
B
The F.B.I.
C
Producers
D
Consumers
19) A consumer that eats both plants and animals is called a(n)______________.
A
Herbivore
B
Omnivore
C
Carnivore
D
Decomposer
20) An organism that gets energy from eating other organisms.
A
Producer
B
Decomposer
C
Consumer
D
Carnivore
*select an answer for all questions
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