Eco Review 1 Question Preview (ID: 49440)
McCandless' Ecosystems Review.
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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) Mutualistic
b) Parasitic
c) Commensalistic
d) Idiotic
Where do Tertiary Consumers mainly get their energy?
a) Secondary Consumers
b) Primary Consumers
c) Primary Producers
d) The Sun
What Trophic level is a Tertiary Consumer?
a) 4th level
b) 3rd level
c) 2nd level
d) 1st level
Why might an organism have more than one arrow coming from them in a food web?
a) More than one organism may eat them
b) They may eat more than one other organism
c) The organism gets its energy from multiple sources
d) They have no resources available to them
A(n) ________ is all the populations in a certain area at the same time.
a) community
b) Population
c) Species
d) Ecosystem
An organism that uses sunlight to make its own food for energy.
a) Producer
b) Consumer
c) Decomposer
d) Herbivore
Which of the following is not a decomposer?
a) Grass
b) Earthworm
c) Fungi
d) Bacteria
Which of the following does a producer need to make its own food?
a) Carbon Dioxide
b) Oxygen
c) Animals
d) Shelter
The process where plants use sunlight, water, and carbon dioxide to produce sugar and oxygen is called-
a) photosynthesis
b) producer
c) consumer
d) Trophic Level
Energy that moves through the organisms in a food web originally comes from the –
a) sun
b) moon
c) water
d) soil
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 decrease since they eat grass.
b) Deer would increase since they eat grass.
c) Deer would increase since other animals would decrease.
d) Deer would decrease since other animals would decrease.
An animal that gets energy by eating other animals.
a) Carnivore
b) Herbivore
c) Omnivore
d) Producer
A single series of events in which one organism eats another.
a) Food Chain
b) Food Web
c) Ecosystem
d) Community
An organism that feeds on animals that are already dead is called a ________.
a) scavenger
b) consumer
c) proucer
d) none of the above
Which of the following processes best describes how plants get their energy? Plants get their energy by –
a) using sunlight to make food.
b) absorbing it from the soil.
c) removing the nergy from the water.
d) putting gases into the air.
An animal that gets energy by eating both plants and other animals
a) Omnivore
b) Herbivore
c) Carnivore
d) Decomposer
A community of living and nonliving things in their natural environment
a) Ecosystem
b) Population
c) Community
d) Consumers
Bacteria, fungi, and earthworms are examples of:
a) Decomposers
b) The F.B.I.
c) Consumers
d) Producers
A consumer that eats both plants and animals is called a(n)______________.
a) Omnivore
b) Herbivore
c) Carnivore
d) Decomposer
An organism that gets energy from eating other organisms.
a) Consumer
b) Producer
c) Carnivore
d) Decomposer
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