Matching Pairs Biomes and HabitatsOnline version 3rd Nine Weeks Vocab by Laura Dodge 1 photosynthesis 2 biodiversity 3 population 4 food web 5 community 6 consumer 7 biosphere 8 producer 9 ecology 10 ecosystem 11 abiotic 12 decomposer an organism that gets energy by breaking down dead organisms an organism that eats other organisms of energy the nonliving part of the environment the part of Earth where life exists a group of organisms of the same species living in the same area variation in plant and animal life an organism that makes its own food for energy the study of the interactions of living organisms with each other and the environment all the populations of species that live and interact in the same habitat a diagram that shows the feeding relationships between organisms in an ecosystem-multiple food chains linked together the process of making sunlight into food a community of organisms and their abiotic environment