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March 16th


green pigment in plants that absorbs light energy used to carry out photosynthesis


invertebrate (animal having no backbone) with jointed legs, e.g., insects


evergreen, cone-bearing tree


An individual living thing


a group of organisms of the same species populating a given area


All the different populations that live together in an area


living and nonliving things in an environment, together with their interactions


The part of Earth where life exists

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