Across
1
Preserved remains of ancient life
2
Natural satellite of Earth
4
Unit of energy
6
Precious yellow metallic element
Down
2
The Red Planet
3
Infectious microscopic agent
5
Basic unit of life
6
Unit of heredity
Preserved remains of ancient life
Natural satellite of Earth
Unit of energy
Precious yellow metallic element
The Red Planet
Infectious microscopic agent
Basic unit of life
Unit of heredity