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Matching Vocabulary 14 Semester 2

Across
A class of organic compounds found in living things that are essential for life
Relationship between species in which one species is helped and the other is unaffected
Process in which two parents contribute genes to form a new individual
Layers of air surrounding Earth
An animal that feeds on other animals, such as a wolf
Down
All of the populations sharing a specific area or region
In genetics, a table used to predict what traits offspring will have, based on what traits the parents have
The variety of organisms in a specific environment or on Earth as a whole
Structure, behavior, or other traits in an organism that helps it to survive in its environment
Study of space, including stars, planets, and other objects in space and their origins