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SPPS - Science: Unit B, Ch.#1 & 2 -
Ecosystems & Protecting Ecosystems (Vocabulary B2)
18
Science
4th Grade
11/08/2010

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Cards

Term
Producer
Definition
Living things, such as plants, that make their own food (B21)
Term
Niche
Definition
The role or part played by an organism in its habitat (B21)
Term
Energy Pyramid
Definition
A diagram that shows how much food energy is passed from one organism to another to another along a food chain (B22)
Term
Stability
Definition
The condition that exists when the changes in a system over time cancel each other out (B8)
Term
Ecosystem
Definition
Groups of living things and the environment they live in (B12)
Term
Open-ocean Zone
Definition
The deep parts of the ocean located far from shore (B36)
Term
System
Definition
A group of parts that work together as a unit (B6)
Term
Community
Definition
All the populations that live in the same area (B14)
Term
Decomposer
Definition
A living thing that feeds on the waste of plants and animals or their remains after they die (B21)
Term
Habitat
Definition
An environment that meets the needs of an organism (B20)
Term
Near-shore zone
Definition
An area that starts at the low tide mark and goes out into the ocean (B36)
Term
Food web
Definition
A diagram that shows how food chains connect and overlap (B23)
Term
Intertidal zone
Definition
A narrow strip along the shore that is covered with water during high tide and exposed during low tide (B36)
Term
Population
Definition
A group of the same species living in the same place at the same time (B13)
Term
Diversity
Definition
Variety (B29)
Term
Salinity
Definition
The amount of salt in water (B30)
Term
Consumers
Definition
A living thing that eats other living things for energy (B21)
Term
Climate
Definition
The average temperature and rainfall of an area over many years (A41, B28)
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