Glossary
- aerobic - the ability of organisms or tissues to function only with the presence of free oxygen.
- ammonia (NH3) - a colourless, pungent, water soluble gas made up of nitrogen and hydrogen.
- anaerobic - the ability of organisms or tissues to function without oxygen.
- biochemical pathway - chain of chemical reactions that occur in living things to produce a chemical compound.
- instar - a stage in the development of an insect larva between two moults. Each species of insect has a fixed number of moults.
- lactic acid - an organic acid produced in mammals during the breakdown of glucose when oxygen is in short supply.
- mausoleum - an above-ground tomb.
- ovipositor - a specialised organ for depositing eggs in female insects.