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Chapter 15: Ecosystems
Directions:
1. Write the definition for each vocabulary word.
2. Complete the chapter outline for pages 316 – 330
3. Include the illustrations indicated:
a. Ecosystems (pg 316)
b. Tropical Rain Forest Communities (pg 316)
c. Photosynthesis (pg 317)
d. Living and nonliving parts of an ecosystem (pg 320)
e. Food chain in a field ecosystem (pg 322)
f. Energy Pyramid (pg 323)
4. Answer questions in Section Reviews:
a. Section 15.1 (pg 321) questions 1, 4, 5, 6
b. Section 15.2 (pg 325) questions 1, 5
c. Section 15.3 (pg 331) questions 1, 2
5. Finish Chapter 15 Assessment: Vocabulary 1 – 15 (pg 335)
6. Complete Chapter Activity: “Create A Species” (pg 334)
Follow directions: “What you will do.”
Vocabulary
1.
2.
3.
4.
5.
6.
7.
8.
producer:
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consumer:
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herbivore:
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carnivore:
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omnivore:
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decomposer:
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ecosystem:
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populations:
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9.
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communities:
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biotic factors:
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abiotic factors:
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photosynthesis:
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carbon-oxygen cycle:
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food chain:
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energy pyramid:
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food web:
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competition:
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predators:
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prey:
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symbiosis:
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pollutant:
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keystone species:
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niche:
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turbidity:
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adaptation:
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Chapter 15: Ecosystems
Outline
I.
Ecosystems and Energy (pgs 316 – 320)
A. What is an ecosystem?
1. Organizing living things
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2. Ecosystems
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B. Photosynthesis and energy
1. Sunlight
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2. Photosynthesis
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C. Living Parts of an Ecosystem
1. Producers
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2. Consumers
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3. Decomposers
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D. Nonliving parts of an ecosystem
1. Water and sunlight
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2. Carbon and oxygen
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II.
III.
Food chains and Food webs (pgs 322 – 324)
A. What is a food chain?
1. A simple food chain
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2. Producers are plentiful
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B. Energy and food chains
1. Energy decreases as you move up a food chain
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2. Energy pyramid
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C. Food webs
1. What is a food web?
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Ecosystems – A Delicate Balance (pgs 326 – 330)
A. Interactions
1. Competition
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2. Predator-prey relationships
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3. Symbiosis
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B. Pollutants
1. What is a pollutant?
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2. Sulfur Dioxide
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3.
Mercury
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C. Sea Otters and the Marine Ecosystem
1. California sea otters
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2. Keystone species
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3. Ecosystem balancing act
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D. Water Quality
1. Marine and fresh water ecosystems
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2. Water quality testing
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3. Observing a body of water
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4. Temperature
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5. Turbidity Test
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E. Water quality tests
1. Dissolved oxygen test
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2. Biological oxygen demand test
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3. Nitrate and phosphate test
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4. pH test
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Section Reviews:
A.Section 15.1 (pg 321)
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4.____________________________________________________________________________
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5.____________________________________________________________________________
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6.____________________________________________________________________________
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B. Section 15.2 (pg 325)
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5.____________________________________________________________________________
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C. Section 15.3 (pg331)
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2.____________________________________________________________________________
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Create a Species
Ecosystem Feature
Climate
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Average temperature of the time of year
Precipitation details
Altitude, latitude
Proximity to water (fresh or salt water)
Vegetation
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Amount
Color
Height
Plant type: flower, tree, cactus, etc.
Leaf type: needles, etc.
Food source
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Type of food in environment species may eat
How does it get its food?
Omnivore, herbivore, or carnivore
Predators
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What are the predators it must hide from?
How many predators?
Adaptations
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Climate
Vegetation
Food source
Predators
What is your system like?
Chapter 15 Assessment: Vocabulary: (pg 335)
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