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WorksheetsEnergy Flow in an Ecosystem
Total questions: 30
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
What type of organism makes its own food?
a)
consumer
b)
carnivore
c)
producer
d)
animal
2.
What are organisms that use other organisms for food in order to gain energy?
a)
autotrophs
b)
producers
c)
grass
d)
consumers
3.
From where do producers get their energy?
a)
the ground
b)
other animals
c)
decomposers
d)
the sun
4.
Which are examples of consumers?
a)
grass and cows
b)
turtles and seaweed
c)
owls and bears
d)
sun and mushrooms
5.
Which of the following would support that insects are consumers?
a)
Insects get their energy by eating plants or animals.
b)
Insects are able to make their own food.
c)
Insects get their energy from the air.
d)
Insects are able to live without energy.
6.
Which of these describes how animals get energy they need to live and survive?
a)
They use sunlight.
b)
They drink water.
c)
They drink water and juice.
d)
They eat plants or other animals.
7.
You see a grasshopper on a leaf. What could you say about how the grasshopper gets its energy?
a)
It gets energy from the air.
b)
It gets energy from the leaf.
c)
It gets energy from soil.
d)
It gets energy from water.
8.
Which of the following organisms is able to produce its own food?
a)
bear
b)
turtle
c)
trees
d)
deer
9.
Food provides animals with the materials and energy they need for growth, warmth, and motion. Plants get material for growth mostly from air and water, and obtain energy from sunlight. Producers provide food to consumers because ___.
a)
plants can easily make food from soil and water
b)
animals cannot produce their own food
c)
plants are more abundant in ecosystems
d)
many animals prefer eating plants to eating meat
10.
When the owl eats a rabbit, what is the role of the owl in the food chain?
a)
herbivore
b)
consumer
c)
omnivore
d)
producer
11.
Use the diagram answer the question.
What is a fitting description for this diagram?
What is a fitting description for this diagram?
a)
A Food Chain
b)
An Ecosystem
c)
A Food Web
d)
Biotic and Abiotic Factors
12.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
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
13.
Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?
a)
Population
b)
Resources
c)
Community
d)
Competition
14.
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
15.
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
16.
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
17.
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
18.
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
19.
In Australia the farmers had a problem with beetles eating the sugar cane. So they introduced the cane toad to control that population. Instead of eating the beetles, they ate the source of food and other organisms. What would be a possible consequence of this?
a)
The other organisms attacks the toad population
b)
The ecosystem would be destroyed
c)
The cane toads would get too much food and die
d)
The food web was changed by this one organism
20.
About how much percent of energy is passed on from one organism to to the next on a food web pyramid.
a)
100 percent of all energy gets passed
b)
45 percent of all energy gets passed
c)
10 percent of all energy gets passed
d)
0 percent of all energy gets passed
21.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
22.
Which of the following is producer/autotroph?
a)
rabbit
b)
frog
c)
tree
d)
worm
23.
What is the driving source of energy for the food web to
the right?
a)
Sun
b)
Orca
c)
Seal
d)
Larvae
24.
The food web supports which statement?
a)
Organisms are independent from one another.
b)
Each organism has its own, unique food source.
c)
Matter cannot move from one organism to
another.
d)
Matter can be recycled between organisms
and their environment.
25.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a ecosystem.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
26.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
27.
How many predators does the squid have?
a)
1
b)
2
c)
3
d)
4
28.
What type of consumer is the wolf?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
29.
Humans are considered...
a)
consumers
b)
decomposers
c)
producers
30.
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.
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