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3.3 Vocabulary

Across
the path that energy travels as one organism eats another
all of the fossils that have ever been found, which scientists use to understand Earth’s history
the process of turning sunlight, carbon dioxide, and water into glucose and oxygen
an area of land covered by trees
an organism that eats other organisms
the study of how to protect organisms and their ecosystems
a specific geographic area with a particular climate that supports different kinds of organisms
a visual that shows the network of food chains in an ecosystem
Down
the removal of trees by humans
the ability to do work (move an object, heat up an object, charge an object, etc.)
an organism that breaks down organic material and feeds on the nutrients
a community of different organisms that depend on interacting with each other and their physical environment for survival
the remains of ancient animals and plants, the traces or impressions of living things from past geologic ages, or the traces of their activities
an organism that captures energy from sunlight through a process called photosynthesis