Question bank5.2 Natural selection and evolution

5.2 Natural selection and evolution

Peppered moths rest on the bark of trees during the day. Birds eat the moths.

There are two forms of peppered moth, a pale form and a dark form.

The Figure shows both forms of the moth resting on two different trees, P and Q.

Figure

Pale and dark forms of peppered moth rest on the bark of two trees labelled P and Q.

Give the form of moth that is easier for a bird to see on tree Q.

[1]

Tree Q grows in an area with a lot of air pollution from factories.

Predict which form of moth will be more common in this area.

[1]

The dark form is caused by a change in a gene.

Use a word from the list to name this type of change.

adaptation competition mutation selection

[1]

Use words from the list to complete the sentences.

environment generations inherited variation

Differences between the moths in a population are called ____________.

Over many ____________, the dark form became more common in polluted areas.

[2]

Peppered moths rest on the bark of trees during the day. Birds eat the moths.

There are two forms of peppered moth, a pale form and a dark form.

The Figure shows both forms of the moth resting on two different trees, P and Q.

Figure

Pale and dark forms of peppered moth rest on the bark of two trees labelled P and Q.

5.2 Natural selection and evolution Questions