Some yeast, sugar and water are mixed in a test-tube. The diagrams show the test-tube at the start and after one hour.

Which process causes this change?

A living organism, X, can make its own food, get rid of toxic materials and detect and respond to stimuli.

What other four processes must organism X carry out to stay alive?

The Venus flytrap is a plant that feeds on insects. When a fly lands on the leaf, the leaf folds very quickly and traps the fly. The leaves produce enzymes which digest the fly.

Which characteristics of living organisms are involved?

Which organisms carry out respiration, growth, movement and excretion?

Biology is the study of living things.
Which characteristic applies to all forms of life?

The plant Mimosa pudica has leaves that fold in when touched.
This demonstrates movement and which other characteristic?

Which term is defined as all the chemical reactions that occur in cells?

Breathing out combines which two characteristics of living organisms?

Which characteristic of living organisms is responsible for the production of oxygen in the leaf of a plant exposed to sunlight?

The diagram shows a plant that has been placed near a sunlit window for a few weeks.

Which two characteristics of living organisms have affected the shape of the plant?