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Ecology; Energy and Health

Across
Type of animal behavior in which social animals live and work together for the good of the group
Substances in food that provides body with raw materials and energy to carry out essential proccesses
A place where plants and/or animals naturally live and grow
An ecosystem of or pertaining to land
A process in which plant uses sunlight, water, and carbon dioxide to produce sugar and release oxygen
Down
Symbiotic relationship in which one species benefits while the other species is not affected.
Aquatic ecosystem such as a pond, lake, strem, or river in which the water contains litle or no salt.
Organism that breaks down the remains of dead organisms and other organic waste.
Processes by which food is broken up physically, by action of teeth, and chemically, by action of enzymes, and converted into a substance suitable for absorption into the body
A nutrient that is especially for the growth and repair of body tissue; building blocks