- Decomposers - A group of organisms that breaks down organic matter, such as animal or plant remains, they usually consist of bacteria, fungi, or some invertebrates.
- Exhibit - To submit or show something.
- Factors - An element that contributes to a result.
- Food web - a system of interlocking and interdependent food chains.
- Nymph - A young stick insect.
- Organism - An animal , plant or micro-organism.
- Ovum - A mature female reproductive cell, especially of a human or other animal, which can divide to give rise to an embryo usually only after fertilization by a male cell.
- Parthenogenesis - Reproduction from an ovum (egg) without fertilization, especially as a normal process in some invertebrates and lower plants.
- Phasmid - The scientific name for a Stick Insect.
- Population abundance - A community of animals, plants, or humans among whose members interbreeding occurs.
- Predator - An animal that naturally preys on others.
- Primary consumers - An organism that eats green plants such as grass, an example of a primary consumer would be a deer.
- Producer - A person or thing that produces, for example plants are producers.
- Secondary consumers -Organisms that eat primary consumers and are primarily carnivores, for example a snake is a secondary consumer.
- Technique - A method or skill used for a particular task.
- Tertiary consumers - Omnivores, meaning they can eat plants and meat, they eat primary, secondary or even tertiary consumers, for example a hawk is a tertiary consumer.
- Biotic - Living organisms: animals, plants etc.
- Abiotic - Non-living things in the environment.
- Parthenogenesis - Reproduction from an ovum without fertilization, especially as a normal process in some invertebrates and lower plants.