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Answer Key
Grade 7 Fun — Science Trivia
1.
Cell
2.
Mitochondrion (mitochondria)
3.
DNA
4.
Producers (or autotrophs)
5.
Photosynthesis
6.
A community of living things interacting with each other and their nonliving environment
7.
Circulatory system (cardiovascular system)
8.
Maintaining stable internal conditions despite external changes
9.
Alleles
10.
A process where traits that help survival and reproduction become more common over generations
11.
Mitosis
12.
The variety of life in an area, including species, genes, and ecosystems
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