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Vocabulary

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Across
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The concentration of disolved salts in water
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Not derived from living organisms
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Organisms that break down dead or decaying organisms
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A cold-blooded animal distinguished by having an aquatic gill-breathing larval stage followed by a terrestrial lung-breathing adult stage
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Forests that are dominated by trees that lose their leaves each year. They are found in areas with warm moist summers and mild winters
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An animal or person that eats food of both plant and animal origin
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Connect with each other
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A roll or function of an organism or species in an ecosystem
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Type of forest characterized by cone bearing needle-leaved trees
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A luxuriant dense forest rich in biodiversity found typically in tropical areas with consistently heavy rainfall
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A biological community of interacting organisms and their physical environment
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Diverse group of aquatic organisms that have the ability to conduct photosynthesis
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Diverse collection of organisms that live in the water column of large bodies of water and are unable to swim against a current. They provide a crucial source of food for many large aquatic organisms such as fish and whales
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The weather conditions prevailing in an area in general or over a long period
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A barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life
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An area of low-lying land that is flooded in wet seasons or at high tide and typical remains waterlodged
Down
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The plants of a particular region habitat or geological period
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All of the animal life of any particular region or time
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Of, on, or relating to the earth
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An organism that generally obtains food by feeding on other organisms or organic matter due to lack of ability to manufacture own food
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Characterized as having grasses as the dominant vegetation. Trees and large shrubs are absent. Temperatures vary more from summer to winter. The amount of rainfall may be less.
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A larger natural occurring community of flora and fauna occupying a major habitat
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The area of a sea bed around a large landmass where the sea is relatively shallow compared to the open ocean
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Interaction between two different organisms living in close physical association typically to the advantage of both
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Organisms that make their own food
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The process by which green plants and some other organisms use sunlight to synthesize food from carbon dioxide and water
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The tidal mouth of a large river, where the tide meets the stream
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The outline of a coast
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An animal that feeds on flesh
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An animal that naturally preys on others
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Relating to water
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A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
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A vast flat treeless arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen
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An animal that is hunted and killed by another one for food