Across
1
Unit of heredity
4
Hottest planet in solar system
5
Tectonic landmass section
6
The Red Planet
Down
2
Basic unit of life
3
Nerve cell in the brain
4
Unit of electric potential
5
Fourth state of matter
7
Force that attracts objects together
Unit of heredity
Hottest planet in solar system
Tectonic landmass section
The Red Planet
Basic unit of life
Nerve cell in the brain
Unit of electric potential
Fourth state of matter
Force that attracts objects together