1. 65%
2. 18%
3. 10%
4. 3%

1. An organ
2. An organism
3. A Tissue
4. A Cell

1. Molecular biology
2. Physiology
3. Biochemistry
4. Atomic biology

1. Population
2. Community
3. Biome
4. Habitat

1. 6
2. 16
3. 26
4. 15

1. Biodiversity
2. Phyletic lineage
3. Connecting link
4. Evolutionary line

1. Polysaccharide
2. Protein
3. Hemoglobin
4. ATP

1. Bioremediation
2. Integrated disease management
3. Antisepsis
4. Biological control