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WorksheetsExam 5.1 - Energy Flow
Total questions: 33
Worksheet time: 22mins
Which animal in this food chain is an herbivore?
Grasshopper
Snake
Frog
Hawk
Multiple, overlapping food chains in one ecosystem is called a -
Life cycle
Food chain
Food Web
Heterotroph
The giraffe and rhino only eat plants. They are both -
autotrophs
heterotrophs
producers
primary consumers
secondary consumers
The seals only eat fish. They are considered -
producers
consumers
herbivores
carnivores
omnivores
In the food web shown, who is the secondary consumer?
grass
mouse
rabbit
fox
For an energy pyramid, the 10% rule states that
10% of the energy is transferred from one organism to the next.
10% of the energy is lost.
10% of the animals will starve.
10% of the producers are eaten.
What does a primary consumer eat?
tertiary consumers
secondary consumers
producers
decomposers
What level consumer is the deer?
primary
secondary
tertiary
producer
If the producer has 20,000 kJ of energy, how much energy should the secondary consumer have?
2,000 kJ
500 kJ
200 kJ
1,000 kJ
An organism that can produce its own food through photosynthesis.
consumer
heterotroph
autotroph
producer
herbivore
An organism that is unable to produce its own food, so it must eat other organisms to survive.
autotroph
heterotroph
producer
consumer
Convert radiant energy from the sun into chemical energy (glucose).
Gain energy from eating other organisms
Keep other species from overpopulating
Breaking down dead stuff
The diagram represents a pyramid of energy in an ecosystem. Which level would have the smallest population?
A
B
C
D
In the food web picture, which organisms are herbivores?
D and E
A and D
A and B
B and C
In the food web picture, which organisms are carnivores?
D and E
A and D
B and C
A and B
What would happen to this ecosystem pictured above if all the frogs were killed?
The number of producers would increase
The number of grasshoppers would greatly increase
The number of owls would greatly increase
The number of owls would decrease
The number of mice would decrease
Which of the following statements best describes the flow of energy in the energy pyramid?
As you go higher in the pyramid, the amount of energy increases.
There is less energy in a producer level than a consumer level
There is no energy above the level of producers in the system
Each group receives only a small amount of the energy from the level below it.
What is another name for producers?
Consumers
Autotrophs
Secondary Consumers
The Sun
Organisms that can trap sunlight and turn it into the sugar glucose are called?
Consumers
Producers
Tertiary consumers
Decomposers
The process that uses sunlight to convert carbon dioxide and water to sugar is called -
Respiration
Generation
Evolution
Photosynthesis
Why do you think it is called an energy "pyramid"?
Because there are MORE animals as you move up
Because there are LESS organisms as you move down
Because there is MORE energy as you move up
Because there are LESS animals as you move up
Arrows in a food web represent -
amount of eating
direction of sunlight
flow of energy
mass and matter
In the food chain the arrows do NOT show THE FLOW OF ENERGY.
False
True
Food webs are INTERCONNECTED FOOD CHAINS.
True
False
Which animal in this food chain is a carnivore?
Grasshopper
Snake
Frog
Hawk
Which animal in this food chain is a consumer?
Grasshopper
Snake
Frog
Hawk
Grass
The giraffe and rhino only eat plants. They are both -
autotrophs
heterotrophs
herbivores
carnivores
omnivores
The lion and leopard only eat animals. They are both -
autotrophs
heterotrophs
herbivores
carnivores
omnivores
Which organisms are secondary consumers?
blue jay
deer
prairie dog
fox
mountain lion
