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Unit 1 Vocabulary

Across
Non-living factors in the environment such as quantity of light, water supply, suitable temperature, soil composition, and shelter.
A single, linear path showing the flow of energy from the sun to producer and through different levels of consumers.
a man-made, underwater structure that promotes the growth of reef-dwelling aquatic organisms
An ecosystem found in oceans, seas, and gulfs where the water has a salt content of at least 3.5%
An animal that is eaten by another animal.
Overlapping food chains with different pathways for the flow of food energy in an ecosystem.
An ecosystem that is found on land.
An environmental change that happens quickly but does not last a long time.
More than one individual or population in an ecosystem relies upon the same limited resources.
Factors that are living or produced by living things.
A characteristic that an organism can pass on to its offspring through its genes.
An animal that lives by killing and eating other animals.
Down
Environmental change that occurs slowly over time and affects organisms over generations.
Groups of individuals that belong to the same species and live in the same area
An ecosystem found in streams, lakes, and rivers where the water has less than 1% salt content.
The process from generation to generation where a group of species changes for survival with its changing habitat
An organism that survives on a host organism and causes harm to the host. 
A system comprising all the biotic and abiotic factors in an area and all the interactions among them.
An organism that makes, energy inorganic molecules using energy captured from light; typically plants.
An organism that must consume other organisms for nutrients.
An organism upon or within which another organism lives.