1. You Try What are some kinds of living things you might see in wetlands? What are some kinds of living things you might see in wetlands? Why do you think this is called a wetland? Why do you think this is called a wetland?

2. What Makes Up an Ecosystem?

3. Individuals and Populations An ecosystem is all the living and nonliving things in one area. An ecosystem is all the living and nonliving things in one area. Each living thing is an individual. Each living thing is an individual. Individuals of the same kind living in an area make up a population. ( People in a city make up a population) Individuals of the same kind living in an area make up a population. ( People in a city make up a population)

4. Members of a population do not have to live together, just in the same area. Members of a population do not have to live together, just in the same area. Some plants and animals can live in more than one kind of ecosystem. Some plants and animals can live in more than one kind of ecosystem.

5. Communities A group of populations living in the same place is called a community. A group of populations living in the same place is called a community. Example: You live in a community with other populations of living things like birds, trees, insects. Example: You live in a community with other populations of living things like birds, trees, insects. The plants and animals that make up each community depend on one another. The plants and animals that make up each community depend on one another.

6. Nonliving parts Plants and animals can’t survive without the nonliving parts of their ecosystem. Plants and animals can’t survive without the nonliving parts of their ecosystem. Nonliving parts are water, soil, sunlight, and air. Nonliving parts are water, soil, sunlight, and air. Climate is a combination of nonliving things. Climate is a combination of nonliving things. A Climate includes the amount of rainfall and sunlight an area recieves. A Climate includes the amount of rainfall and sunlight an area recieves.

7. A large area may have similar climates and ecosystem, this is called a biome. A large area may have similar climates and ecosystem, this is called a biome. Taiga, desert, and rain forest are kinds of biomes. Taiga, desert, and rain forest are kinds of biomes. Changes in the nonliving parts of an ecosystem or biome can affect all living parts. Changes in the nonliving parts of an ecosystem or biome can affect all living parts.

8. Ecosystem Each ecosystem has its own set of living and nonliving parts. Each ecosystem has its own set of living and nonliving parts. An ecosystem can be as huge as a desert or as small as the space under a rock. An ecosystem can be as huge as a desert or as small as the space under a rock.

9. Ecology is the study of ecosystems. Ecology is the study of ecosystems. http://www.harcourtschool.com/menus/scienc e/up_close4_ca.html http://www.harcourtschool.com/menus/scienc e/up_close4_ca.html http://www.harcourtschool.com/menus/scienc e/up_close4_ca.html http://www.harcourtschool.com/menus/scienc e/up_close4_ca.html