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8th Grade Science

T.C. After School
Across
Animals that only eat meat.
Lowest of Earth's atmospheric layers.
Animals that do not have a backbone.
Arrangement of individual parts of an object that can be divided into similar halves.
Warm-blooded animals
Animals that only eat plants.
Any living thing.
Passing of traits from parent to offspring.
Down
Smallest unit of an organism.
Vertebrates with a strong endoskeleton made of bones.
Animals that have a backbone.
Cold-blooded animals.
Layers of air that cover Earth.
Animals that eat both plants and meat.
Chemical messages that can speed up or slow down certain cellular processes.
Anything that causes change.