UNIT B LOOKING AT ECOSYSTEMS
NAME ______________________________
Ch 1. ECOSYSTEMS Vocabulary
Lesson 1:
1. system:
_______________________________________________
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2. stability:
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Lesson 2:
1. ecosystem:
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2. population:
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3. community:
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Lesson 3:
1. habitat:
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2. niche:
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3. producer:
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4. food web:
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5. decomposer:
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6. energy pyramid:
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7. consumer:
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Lesson 4:
1. climate:
_______________________________________________
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2. diversity:_______________________________________
_______________________________________________
3. salinity:________________________________________
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Lesson 5:
1. intertidal
zone:__________________________________________
______________________________________________
2. near-shore
zone___________________________________________
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3. open-ocean
zone___________________________________________
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Ch 1 Lesson 1 Review Questions
NAME ______________________________
1. Describe two ways in which the parts of a yard system
interact.
2. How are inputs and outputs of a system alike?
3. What patterns show that a yard system is stable?
**CRITICAL THINKING**
How do areas of sunshine follow a pattern in a yard that has trees?
TEST PREP
A system that is in balance is said to have _______.
A. Openness B. Stability
C. input
D. output
Lesson 2 Review Questions
NAME _________________________
1. Why do some ecosystems include many living things?
2. Is a row of bean plants in a garden a population or a
community? EXPLAIN.
3. What nonliving part of the mangrove swamp limits the kinds
of plants that can live there?
**CRITICAL THINKING**
Contrast a population with a community. (difference)
TEST PREP: What might an ecosystem that has mostly pine or
spruce trees be called?
A. mountain forest
B. evergreen forest
C. deep woods
D. green woods
LESSON 3 Review Questions
NAME ________________________________
1. What happens when two similar animals share a habitat?
2. What type of organism breaks down the remains f dead
plants and animals?
3. How can one organism help control the population of
another organism?
**CRITICAL THINKING**
What could happen to an ecosystem that had mice if cats were
added to it?
TEST PREP
Which of the following is a producer?
A. fox
B.chicken
C. fungus
D.grass
LESSON 4 Review Questions
NAME______________________________________
1. Where do most plants and animals live in a tropical rain
forest?
2. Why is the salinity of salt water important for a living coral
reef?
3. What are three resources from tropical rain forests?
**CRITICAL THINKING**
Why is it important to protect tropical rain forests and coral reefs?
TEST PREP
The floor of a tropical rain forest is covered with ________.
A. grasses
B. dead plant material
C.blooming flowers
D. animals
Lesson 5 Review Questions
Name _________________________________
1. How are plants that live in a salt marsh different from other
plants?
2. What is at the base of a food chain at the deep-sea
hydrothermal vents?
3. What is at the base of a food chain in the open ocean?
**CRITICAL THINKING**
How is a kelp forest the same as a forest on land? How is it
different?
TEST PREP
An example of a saltwater community in the intertidal zone is ____
A. a kelp forest
B.a salt marsh
C.a deep-sea hydrothermal vent
D.the open sea