WorksheetsEnergy Flow
Total questions: 13
Worksheet time: 9mins
Name
Class
Date
1.
What is an example of a decomposer?
a)
Plum
b)
Mushroom
c)
Deer
d)
Bird
2.
Which of the following types of organisms would benefit most directly from the products of decomposer organisms?
a)
Decomposers
b)
Primary consumers
c)
Secondary consumers
d)
Producers
3.
Oxygen is released into the air by
a)
The sun
b)
Animals
c)
Volcanoes
d)
Plants
4.
Which organism is likely to be at the beginning of a food chain for a pond?
a)
Sunfish
b)
Freshwater shrimp
c)
Paramecium
d)
Green Algae
5.
Which of these best explains why predators need plants, such as grass, in their ecosystem?
a)
Plants are a large part of their diets
b)
Plants provide safety for predators
c)
Plants break down the organisms that the predators eat
d)
Plants provide food for their animals that the predators eat
6.
What is indicated by the diagram?
a)
Food web
b)
Food chain
c)
Food map
d)
Food menu
7.
What do the arrows indicate in a food web?
a)
What eats what
b)
Where the energy is being transferred
c)
How the animals are related
8.
Suppose that a llama is hit by a truck and dies. Where will most of the biological matter in the llama go next?
a)
To top level predatory animals
b)
To the soil to be used by plants
c)
To first order consumers that might eat the llama
d)
To microorganisms that decompose and recycle matter
9.
An organism that eats both plants and animals are know as a
a)
Carnivore
b)
Omnivore
c)
Herbivore
d)
Decomposer
10.
Autotrophs are organisms that produce their own food. Which do scientist classify as autotrophs?
a)
Chordates
b)
Fungi
c)
Plants
d)
Molds
11.
What is the first source of energy for all food webs?
a)
Plants
b)
Sunlight
c)
Mineral in the soil
d)
Decomposers
12.
Which ocean organism is considered a producer?
a)
Phytoplankton
b)
Zooplankton
c)
Small fish
d)
Whales
13.
Carbon from the environment becomes a part of living organisms when sugar molecules are returned and broken down to release energy and oxygen. This process would be described as
a)
Photosynthesis
b)
Cellular respiration
c)
Transpiration
d)
Decomposition
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