an organism that eats only animals

an organism that eats only plants

an organism that eats both plants and animals

the number and variety of species that are present in an area

the first organisms to live in an uninhabited area

a community of organisms and their abiotic, or nonliving environment

an organism that eats other organisms or organic matter

the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms

a natural process that occurs in an aging lake or pond as it gradually builds up its concentration of plant nutrients

an organism that can make its own food by using energy from its surroundings

the place where an organism usually lives

chemical reaction in plants that converts solar energy into chemical energy; carbon dioxide enters through plant leaves and reacts with sunlight to produce sugar and oxygen

the gradual process by which ecosystems change and develop over time. Nothing remains the same and habitats are constantly changing.

a diagram that shows the feeding relationships between ALL members of an ecosystem

15. the process by which cells use oxygen to produce energy from food

an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming the nutrients

a green pigment that captures light energy for photosynthesis

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