Across
1
Unit of energy
4
Our home planet
6
Positive particle in nucleus
7
Biological catalyst
9
Form of thermal energy
Down
2
Unit of heredity
3
Gas form of a liquid
5
Nerve cell in the brain
8
Basic unit of life
10
Group of similar cells
Unit of energy
Our home planet
Positive particle in nucleus
Biological catalyst
Form of thermal energy
Unit of heredity
Gas form of a liquid
Nerve cell in the brain
Basic unit of life
Group of similar cells