Question | Answer |
A group of parts that work together as a unit | system |
The condition that exists when the changes in a system over time cancel each other out | stability |
Groups of living things and the environment that they live in | ecosystem |
A group of the same species living in the same place at the same time | population |
All the populations that live in the same area | community |
An environment that meets the needs of an organism | habitat |
A living thing, such as a plant, that makes its own food | producer |
A living thing that feeds on the wastes of plants and animals or on their remains after they die | decomposer |
A diagram that shows how much food energy is passed from one organism to another along a food chain | energy pyramid |
A living thing that eats other living things for energy | consumer |
The role or part played by an organism in its habitat | niche |
A diagram that shows how food chains connect and overlap | food web |
The average temperature and rainfall of an area over many years | climate |
Variety | diversity |
The amount of salt in water | salinity |
A narrow strip, along the shore, that is covered with water during high tide and exposed during low tide | intertidal zone |
Ocean zone that starts at the low-tide mark and goes out into the ocean | near-shore zone |
The deep parts of the oceans, located far from shore | open-ocean zone |