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My Science Class

Across
Consist of the kidneys, ureters, bladder, and urethra
Process used by plants and other organism to convert light energy into chemical energy
Biological system made up of all the anatomical organs involved in sexual reproduction
Down
Variety and variability of life on earth
Is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism
Is comprised of a series of complex systems, including the skeletal, the respiratory and digestive systems, as well as the intricate networks of blood and lymph vessels, all controlled by the brain and nervous system.