1. Science -Unit 1: Ecosystems: Interdependence of Life
Lesson 6: Unit Review and Assessment
Name Date
Ecosystems Vocabulary Review
Use the words in the Word Bank to fill in the blanks below.
Word Bank
herbivore carnivore omnivores
climate energy pyramid ecology
organic inorganic environment
1. An is a diagram that shows the amount of
energy present at each level of a food chain.
2. The study of living things in their environment is called
.
3. Matter that comes from an animal or plant and contains carbon is
. Matter that does not come from an animal or
plant such as rocks and water is .
4. A eats only meat, while an
eats only plants. eat both meat and plants.
5. The usual pattern of weather an area has over a long period of time is
its .
6. The nonliving and living things that affect an organism are part of
its .
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Copying or distributing without K12’s written consent is prohibited.

2. Science -Unit 1: Ecosystems: Interdependence of Life
Lesson 6: Unit Review and Assessment
Ecosystems Vocabulary Review
Write the name of each level on the line next to the illustration.
Word Bank
population ecosystem biosphere
biome community individual
© 2002 K12 Inc. All rights reserved. 4S01-06 page 2 of 3
Copying or distributing without K12’s written consent is prohibited.

3. Science -Unit 1: Ecosystems: Interdependence of Life
Lesson 6: Unit Review and Assessment
Ecosystems Vocabulary Review
Write the letter of the matching definition on the line next to each word.
food chain food web
producers organism
consumers decomposers
energy limiting factor
_____scavengers
A. Organisms, such as plants or algae, that make their own food.
B. Organisms that depend on other organisms for food.
C. Organisms, such as bacteria or fungi, that get their energy by
breaking down things that were once living, such as fallen leaves,
dead wood, animal droppings, and dead plants and animals,
causing them to decay and rot.
D. Animals that eat dead animal bodies.
E. Any living thing—that is any life form that takes in food, grows,
and reproduces.
F. The pathway along which food is transferred from one organism
to another.
G. A diagram that combines food chains to show the interconnected
feeding relationships in an ecosystem.
H. The power plants need for growth, and animals need for growth,
movement, and more. Plants get this from the sun.
I. An environmental condition that affects—or limits—the ability of
an organism to survive.
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Copying or distributing without K12’s written consent is prohibited.