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behavior. Seals must learn how to balance a ball to get a treat. Crying is a BEHAVIOR babies use to communicate with their parents. Babies are born knowing how to cry. behavior: something an organism does to get the things it needs to live. characteristic. red. round. floats. “squishy”.
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behavior Seals must learn how to balance a ball to get a treat. Crying is a BEHAVIOR babies use to communicate with their parents. Babies are born knowing how to cry. behavior: something an organism does to get the things it needs to live
characteristic red round floats “squishy” size of tennis ball soft solid shiny CHARACTERISTICS, or properties, of matter can be observed with your five senses. characteristic:a quality that describes a living thing or an object; a trait
environment A desert provides the perfect ENVIRONMENT for cacti. Many living and nonliving parts make up a forest ENVIRONMENT. environment:everything that is around a living thing
food chain food chain:the path of food energy from one organism to another in an ecosystem
freshwater Lakes and underground aquifers provide the FRESHWATER we drink. freshwater: water that does not contain salt
habitat A coral reef HABITAT provides food and shelter for millions of fish and other aquatic species. The plant layers of a forest are an ideal HABITAT for many organisms. Small animals and birds make their homes in tree canopies, while decomposers feed on decaying matter on the forest floor . habitat: : the kind of ecosystem when an organism lives
natural resource natural resource: anything in nature that people can use for energy
saltwater Ninety-seven percent of the water found on Earth is SALTWATER. saltwater: water that contains salt