- The blue whale produces the biggest baby.
- Haemoglobin is dissolved in the plasma of earthworms.
- Emu is a flightless bird.
- Larva of silkworm produces silk.
- About 80% water in most organisms.
- Apiculture is the rearing of honey bees.
- Ostrich is the largest living bird.
- Duck-billed platypus lays eggs.
- Hormones are absent in bacteria.
- Leeches are blood-sucking organisms.
- Snake bite affects the nervous system first