Unit 1 Vocabulary Practice

An invasive species is

• a species that belongs in an area
• a species that will soon be extinct
• a species that is brought to an area and causes harm to the ecosystem
• a species that is protected by law

Biodiversity is

• the variety of life on earth
• not healthy for an ecosystem
• when there are not many different plant and animal species in an area
• all of the non living parts of an ecosystem

An omnivore

• is an organism that only gets it energy from other animals
• is an organism that gets it energy from animals and plants
• is a relationship where both species are helped
• is an organism that gets it energy only from plants

Surface runoff

• is water that does not get absorbed (soaked into) the ground
• is the boundary between two watersheds
• is the water does get absorbed into the ground and flows to the nearest waterway
• is another word for small stream

Nitrogen Fixation is the process

• when nitrites are changed into nitrates
• when nitrogen gas in the atmosphere is changed into useable forms like ammonia
• when ammonia is changed into nitrites
• when plants change take in nitrates into their roots

Transpiration

• is the evaporation of water from a plant
• the process of burning something
• the change of water from its gas form to liquid form
• the change of water from a liquid to a solid state

An herbivore

• is an organism which gets its energy only from animals
• is an organism which gets its energy only from plants
• is an organism which gets its energy from both plants and animals
• is an organism which gets its energy from the atmosphere

In a food web a primary (first order) consumer-

• use sunlight to make their own food for energy
• feed on plants for energy
• feed on primary consumers for energy
• feed on secondary consumers for energy

An impermeable (impervious) surface:

• does not allow water to pass through
• improves the health of the ecosystem
• allows sunlight to pass through
• allows water to pass through

Prey is:

• an organism that is hunted by another organism
• an organism that hunts another organism
• an organism that breaks down dead things
• an organism which can make its own food using photosynthesis