Download chapter 1 Workbook 3 File

Environmental Science: Chapter 1 Workbook 3
Name: ____________________
Notes
Food Chains
__________________________
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Also called _______________
Foundation of all food sources
Produce their own food/energy through ________________________
______________________– a process by which plants convert ________________and
___________________________ into ______________and _____________using light and
chlorophyll
_____________________
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______________________________
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Obtain energy/food directly from __________________
_____________________
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______________, ______________, etc. consumers
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Obtain food/energy from __________________or other ______________________
______________________
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Break down ________________________________________ into ___________________
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These __________________go back into the soil to be used as energy by
___________________.
Food chain VS. Food web
_____________________: The vital and somewhat complex relationship between
______________________, __________________, and
Environmental Science: Chapter 1 Workbook 3
Name: ____________________
______________________
____________________: Interconnecting food chains.
How energy makes its way up the food chain
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each level of a food chain is called a ________________________
the largest portion of the energy in a food chain is found at the level of the
___________________
they take in energy from the sun and use it for ____________________________and other
processes
the portion of energy left is then passed on to the _____________________since they feed on the
__________________
the ____________________then receive their energy from the portion not used by the
_____________________
as you move up the food chain, the energy _______________creating an
_________________________________
Environmental Science: Chapter 1 Workbook 3
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Name: ____________________
since each successive level has__________________, more food sources are needed by each
higher_______________________
this is when a ________________ is formed
_____________________ VS ____________________________
_________________________
The process where substances from the environment build up in the _____________of a living organism
at a specific trophic level
_________________________
The _________________________________ of a substance in the tissues of organisms at successively
_____________________ in a food chain
Environmental Science: Chapter 1 Workbook 3
Name: ____________________
Workbook
Section A: Completion – place the correct term in the space provided.
1. Autotrophs are also called
2. Primary consumers are also called
.
.
3. Consumers who retrieve their energy from primary consumers are also called
.
4. Each level of consumption in a food chain is called a
.
Section B: Short answer – Write brief answers for the questions in the space provided.
1. Explain the difference between a food chain and a food web. Use an illustration to
demonstrate this difference.
2. How does an organism in a food chain obtain energy?
Environmental Science: Chapter 1 Workbook 3
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3. How does an organism in a food chain obtain energy?
Section C: Definitions – Write the definitions of the terms in the space provided.
1. Autotrophs
2. Photosynthesis
3. Consumers
4. Decomposers
Environmental Science: Chapter 1 Workbook 3
Name: ____________________
Section D: Food Web Activity
Refer to the food web above and answer the following questions:
1. Identify the:
a. Producers
b. Primary consumers
c. Secondary consumers
d. Tertiary consumers
2. Which trophic level produces food for the primary consumers?
Environmental Science: Chapter 1 Workbook 3
Name: ____________________
3. Which organism, if removed from this web, would cause the greatest impact? Justify your
answer.
4. Describe the impact of removing the following animals from this food web:
a. Red fox
b. Snowshoe hare
c. Brown bat