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Energy Transfer review

Total questions: 45

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
Use the diagram answer the question.
What is a fitting description for this diagram?
a)
A Food Chain
b)
An Ecosystem
c)
A Food Web
d)
Biotic and Abiotic Factors
2.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
3.
What is the best explanation for an energy pyramid?
a)
It shows the FLOW of energy from one organism to the next. 
b)
It shows HOW much energy flows through a food web
c)
It shows the MEMBERS in a single organism
4.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
5.
In this Food Web Pyramid what is the proper name for the organisms above the producer level at the bottom.
a)
herbivores
b)
consumers
c)
carnivores 
d)
omnivores
6.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
7.
The snake and the frog, are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
8.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
9.
an organism that can produce its own food through photosynthesis
a)
consumer
b)
heterotroph
c)
autotroph
d)
herbivore
10.
an example of producer consumer relationship would be
a)
lion eating a deer
b)
grasshopper getting energy from grass
c)
hawk getting energy from snakes
d)
earthworm breaking down dead material
11.
__________ is an organism that only eats plants for energy.
a)
Carnivore
b)
Herbivore
c)
Omnivore
d)
Terivore
12.
__________ is an organism that only eats meat for energy.
a)
Omnivore
b)
Borivore
c)
Herbivore
d)
Carnivore
13.
__________ is an organism that eats BOTH plants and animals for energy.
a)
Omnivore
b)
Darnivore
c)
Carnivore
d)
Herbiovre
14.
Lions only eat buffalo, antelopes, zebras and crocodiles. They are called __________.
a)
Omnivore
b)
Herbivore
c)
Carnivore
d)
Delivore
15.

Which is the primary source of energy for plants?

a)

producer

b)

consumer

c)

decomposer

d)

sun

16.

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

a)

There would be a decrease in the small bird population.

b)

There would be a decrease in the grass/flowers population.

c)

There would be a decrease in the mice population.

d)

There would be an increase in the grass/flowers population.

17.
A consumer that hunts is called:
a)
a producer.
b)
an omnivore.
c)
a predator.
d)
a herbivore.
18.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
19.
Grass is considered a ...
a)
consumer
b)
producer
c)
decomposer
d)
composers
20.
An organism that gets energy from eating other organisms is a ______________
a)
producer
b)
consumer
c)
decomposer
d)
prey
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.
In this food chain, what will happen if the frogs become extinct?
a)
The snakes will increase.
b)
The grasshoppers will decrease.
c)
The eagles will remain the same.
d)
The grasshoppers will increase.
23.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
24.
How do producers obtain energy?
a)
They conduct photosynthesis.
b)
They consume plants.
c)
They consume primary consumers.
d)
They consume secondary consumers.
25.
A food web can be broken down into several seperate
a)
food chains
b)
food pyramids
c)
producers
d)
consumers
26.
Which represents the largest group in a food web?
a)
carnivores
b)
omnivores
c)
herbivores
d)
producers
27.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
28.
Which of these is an example of an autotroph?
a)
Sunflower
b)
Krill
c)
Leopard
d)
Hummingbird
29.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
30.
An organism in a food web that feeds directly on the producer.
a)
Primary Consumer
b)
Secondary Consumer
c)
Decomposer
d)
Carnivore
31.

An organism in a food web that eats other consumers to obtain energy and is not eaten by another organism.

a)

Producer

b)

Top Consumer

c)

Prey

d)

Scavenger

32.
An animal that eats both plants and animals.
a)
Producer
b)
Consumer
c)
Carnivore
d)
Omnivore
33.
An animal that is hunted, killed, and eaten by another animal.
a)
Prey
b)
Predator
c)
Herbivore
d)
Carnivore
34.
An animal that consumes the left over parts of an animal.
a)
Decomposer
b)
Carnivore
c)
Scavenger
d)
Predator
35.

Plants produce their own food through...

a)

symbiosis

b)

photosynthesis

c)

genetics

d)

magic

36.

The second consumer in the food chain is called...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

37.

The third consumer in the food chain is called...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

38.

Look carefully at the image. If energy is lost as it moves up the food chain, what trophic level has the most amount of energy?

a)

1st level - producers

b)

2nd level - primary consumers

c)

3rd level - secondary consumers

d)

4th level - tertiary consumers

39.

What kind of organisms are usually at the top of the food chain?

a)

producers

b)

herbivores

c)

omnivores

d)

carnivores

40.

Photosynthesis occurs in:

a)

Mitochondria

b)

Chloroplasts

c)

Humans

d)

Animals

41.

What are the reactants in Photosynthesis?

a)

Sun, CO2, glucose

b)

glucose and oxygen

c)

sun, carbon dioxide, water

d)

water, glucose

42.

In what process does ATP get created?

a)

photosynthesis

b)

cellular respiration

c)

radiation

d)

chemical

43.
What are the reactants of cellular respiration?
a)
glucose & carbon dioxide
b)
glucose & oxygen
c)
water & oxygen
d)
water & carbon dioxide
44.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
45.
A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?
a)
A
b)
B
c)
C
d)
D

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