Across
1
Unit of heredity
4
Substance with pH below 7
5
Amplified beam of light
7
Smallest unit of an element
Down
1
Precious yellow metallic element
2
Tissue that contracts for movement
3
Second lightest element
6
Tectonic landmass section
Unit of heredity
Substance with pH below 7
Amplified beam of light
Smallest unit of an element
Precious yellow metallic element
Tissue that contracts for movement
Second lightest element
Tectonic landmass section