1. Living cellular organisms
2. Non-living entities
3. Living inside the host cells
4. None of above
Living inside the host cells
1. An organism dies because all its cells die
2. Because of organism can be born again
3. Death is a natural part of life cycle
4. Otherwise the earth will become too crowded
Death is a natural part of life cycle
1. 10 species million
2. 3.9 species million
3. 1.7 species million
4. One species million
1.7 species million
1. Life appeared
2. Eukaryotes appeared
3. Moon appeared
4. Plants appeared
Life appeared
1. A closed system
2. Open system
3. A system of exporting energy
4. A system of exporting materials
Open system
1. Overcoming entropy
2. Biosynthesis of molecules
3. Transport
4. All of above
All of above
1. Genus
2. Family
3. Species
4. Phylum
Species
1. Light
2. Inorganic molecules
3. Organic molecules
4. Various reactions
Organic molecules
1. Fungi
2. Metazoa
3. Algae
4. Lichens.
Lichens.
1. Nucleus
2. Cell wall
3. Bacteria
4. virus.
Bacteria