Ecosystems andBiomes

492 Unit 4: Ecology

Matter and energy together support lifewithin an environment.

Key Concepts

Ecosystems supportlife.Learn about different factorsthat make up an ecosystem.

Matter cycles throughecosystems.Learn about the water, carbon, and nitrogen cycles.

Energy flows throughecosystems.Learn how energy movesthrough living things.

Biomes contain manyecosystems.Learn about different landand water biomes.

4SECTION

3SECTION

2SECTION

1SECTION

Prepare and practice for the FCAT

• Section Reviews, pp. 499, 506, 514, 523

• Chapter Review, pp. 524–526• FCAT Practice, p. 527

CLASSZONE.COM• Florida Review: Content

Review and FCAT Practice

How many living and nonliving things can youidentify in this photograph?

Chapter 14: Ecosystems and Biomes 493

Internet Activity: A PrairieEcosystemGo to ClassZone.com to discover the types ofplants and animals best adapted for tall-grassand short-grass prairies. Learn more about howto keep a prairie thriving.

Observe and Think What do all prairie plantshave in common? How do prairie plants differ?

What Is Soil?Get a cupful of soil from outside and funnel itinto a clear plastic bottle. Fill the bottle two-thirds full with water and place the bottle cap on tightly. Shake the bottle so that the soil and water mix completely. Place the bottle on a windowsill overnight. Wash your hands.

Observe and Think What has happened to the soil and water mixture? How many different types of material do you observe?

NSTA scilinks.org

Food Chains and Food Webs Code: MDL001

How Do Plants React to Sunlight?Move a potted plant so that the Sun shines on it from a different direction. Observe the plant each day for a week.

Observe and Think What change do you observe in the plant? What is it that plants get from the Sun?

494 Unit 4: Ecology

TAKING NOTES

COMBINATION NOTES

To take notes about a newconcept, first make aninformal outline of theinformation. Then make asketch of the concept andlabel it so you can study itlater.

VOCABULARYSTRATEGY

Write each new vocabularyterm in the center of aframe game diagram.Decide what informationto frame the term with.Use examples, descriptions,parts, sentences that usethe term in context, or pictures. You can changethe frame to fit each item.

NOTES

Parts of an

ecosystem:

• Animals

• Plants

• Soil

• Water

• Light

• Microorganisms

CONCEPT REVIEW

• The natural world that surrounds all living things iscalled the environment.

• Most living things need water,air, food, and living space.

• All living things need a sourceof energy to stay alive andgrow.

VOCABULARY REVIEW

matter p. 49

photosynthesis p. 230

energy p. 112

See Glossary for definitions.

biology, environment, nutrient,respiration, system

CHAPTER 14

nonliving factors

affected by living factors

water,

light, soil,

temperature

physical

or

chemicalABIOTIC FACTOR

Water

Soil

Animal

Plants

Light

FLORIDA REVIEWCLASSZONE.COM

Content Review and FCAT Practice