Across
- 1. The physical appearance of an animal.
- 2. A form of bacilli bacteria .
- 6. A example of a nitrogen bacteria.
- 7. Two sets of chromosomes .
- 8. The clouds that produce heavy rain,thunderstorm and lightning.
Down
- 1. A serious cause of respiratory acidosis.
- 2. A type of catchment character that affectes the runoff.
- 3. A form of heterotrophic .
- 4. A secondary function of the respiratory system .
- 5. A polysaccharide;extracted from marine algae.