Unit 7: Organisms and their Environments (7th Grade)

Ecosystem

• An ecosystem is a musical instrument
• An ecosystem is a type of weather phenomenon
• An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.
• An ecosystem is a group of people working together

biodiversity

• Variety of life forms on Earth
• Amount of water in a lake
• Variety of ecosystems on Mars
• Number of plant species in a forest

biome

• A biome is a man-made structure
• A biome is a large geographical area of distinctive plant and animal groups, which are adapted to that particular environment.
• A biome is a small geographical area
• A biome is a type of weather phenomenon

biotic

• non-living
• inorganic
• abiotic
• living

abiotic

• organic
• living
• non-living
• biotic

sustainability

• Sustainability is the ability to endure.

• Sustainability is a type of fruit.
• Sustainability refers to the color of the sky.
• Sustainability is the ability to fly.

species

• family of animals

• all animals in an ecosystem

• a kingdom of animals

• a group of organisms that are closely related and can mate to produce fertile offspring

interaction

• collaboration between ecosystems

• the effect that a pair of organisms living together in a community have on each other

• when one animal benefits from a relationship and the other is hurt

• When both organisms benefit from a relationship

population

• The total number of individuals in a specific group or area.
• The number of species in an ecosystem.
• The average income of individuals in a specific area.
• The amount of resources available in a given environment.

niche

• A small opening or crevice
• A broad purpose in an ecosystem

• A type of musical instrument
• An organisms particular role in an ecosystem