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Presentation on theme: "Ecosystems."— Presentation transcript:

1 Ecosystems

2 Ecosystems All the living AND nonliving parts of an environment, plus how they interact.

3 Terrestrial Ecosystems
On land. Examples: Forests, deserts, grasslands. N.C.’s main ecosystem: temperate deciduous forest.

4 Freshwater Ecosystems
Rivers, lakes, streams, wetlands. N.C. has many river ecosystems home to: Fish, otters, alligators, algae, plants, moss.

5 Marine Ecosystems Salty water; oceans.

6 Species Group of organisms that share characteristics and can breed with one another. Example: white-tailed deer.

7 Populations All the members of a species living in a certain area.
Example: white-tailed deer in a forest.

8 Community All the populations of different species living in an area.
Example: white-tailed deer, chipmunks, trees, fungi, insects living in a forest.

9 Competition Members of a population & community compete for what they need to survive: Water, space, sunlight, food.

10 Habitat The place where an organism lives.
Example: a rotting log is a habitat for insects, worms, fungi.

11 Niche How an organism acts (the role it plays) in an ecosystem.

12 Biotic The LIVING factors in an ecosystem.
Examples: all the plants, fungi, and animals in a forest.

13 Abiotic All the NONliving factors in an ecosystem.
Examples: light, temperature, weather, soil, water.

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