Parts of an Ecosystem
All of the living and nonliving things in an environment
An area where an organism lives in an ecosystem.
What is a habitat?
Occurs when two or more living things need the same resources in order to survive.
What is competition?
How do fins of a sunfish help it survive in water?
Fins help it to swim
Living parts of an ecosystem
What are animals and plants?
All the members of one species that live within an area of an ecosystem.
What is population?
True/False: Some animals change the environment to improve their habitat.
True
What makes up an ecosystem
Living and nonliving things
Nonliving parts of an ecosystem
What is air, water, soil, sunlight, and landforms?
Special structures that help organisms survive in their habitat.
Wings - help organisms to fly
Webbed feet - help organisms to swim
Fur - keeps an organism warm
True/False: People do not change the environment to meet their needs.
False: people often change the environment
People build roads in new areas. How does this activity affect the living things in that environment?
Animals and plants can be killed. Animals can move to another habitat.
Types of ecosystems in North America
What is tundra, rain forest, desert, grassland, and forest.
Special structure that help organisms that live in the ocean.
What are fins.
How can humans change the environment?
By cutting down trees.
The movement of worn away roads or soil
What is erosion
True/False: Organisms can survive only in environments in which their needs are met.
True
Human cannot build here.
National Parks
Important materials that living things need
Resource