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Matching Vocabulary 2 Semester 2

Across
Factors in an environment relating to, caused by, or produced by living organisms
A substance that speeds up or slows down the rate of a reaction without being consumed or altered
The bones constituting the head and trunk of a vertebrate body
The bodily system consisting of the heart, blood vessels, and blood that circulates blood throughout the body
Any of a large group of plants that produce flowers
Down
Any of a division of non flowering and nonvascular plants.
A cosmological theory holding that the universe originated approximately 20 billion years ago from the violent explosion of matter at extremely high density and temperature.
A vector quantity that is a measure of the rotational momentum of a rotating body or system.
Any of a group of organic compounds that includes sugars, starches, cellulose, and gums
In or on the water