Across
1
Infectious microscopic agent
3
Biological catalyst
5
Path of a planet around the sun
6
Unit of heredity
8
Fourth state of matter
Down
2
Measure of matter in an object
4
Nerve cell in the brain
7
Disturbance that transfers energy
Infectious microscopic agent
Biological catalyst
Path of a planet around the sun
Unit of heredity
Fourth state of matter
Measure of matter in an object
Nerve cell in the brain
Disturbance that transfers energy