List any five of the eight characteristics of living organisms.

Define excretion and give one example of an excretory product in humans.

What is the key difference between autotrophic and heterotrophic nutrition?

Explain the difference between respiration and breathing (gaseous exchange).

What is meant by "irritability" or "sensitivity" in the context of living things?

Name the two types of reproduction and state one key difference between them.

A plant's shoot grows towards a window. What life characteristic is this an example of?

Why is a virus considered to be on the borderline between living and non-living?

What is the basic structural and functional unit of all living organisms?

Define growth as a characteristic of life.

A crystal can get bigger over time. Explain why this is not considered "growth" in the biological sense.

What is the ultimate source of energy for most life on Earth? Which life process captures this energy?

Differentiate between excretion and egestion.

What are the products of aerobic respiration in cells?

Name the process by which an organism creates a new generation to ensure its species continues.