Evolution

What is a species?

A group of organisms that can reproduce with eachother, producing offspring that can then reproduce.

What is evolution?

The process by which different kinds of living organism are believed to have developed from earlier forms during the history of the Earth.

What makes up an organism’s Latin name?

Its genus and its species.

What are the four ancestors of humans?

Ardi, Lucy, homo habilis and homo erectus.

How do we know that humans developed to be more intelligent?

The stone tools we created became more detailed.

What is classification?

The organisation of living things into groups based on their similarities.

What is the order of classification?

Kingdom, phylum, class, order, family, genus and species.

What are the five kingdoms?

Protoctists, plants, animals, fungi and bacteria.

Describe plants. (4 things)

• Multicellular

• Have chloroplasts

• Have nuclei

• Have cellulose cell walls

Describe animals. (3 things)

• Multicellular

• Cells have nuclei

• No cell walls

Describe fungi. (3 things)

• Live in or on dead matter

• Have nuclei

• Cell walls contain chitin

Describe protoctists. (3 things)

• Mostly unicellular

• Have nuclei

• Some have cell walls

Describe bacteria. (3 things)

• Unicellular

• Don’t have nuclei

• Flexible cell walls

What is artificial selection?

When humans choose certain organisms because they have useful characteristics.

What is the difference between breeds and varieties?

Breeds are new animal species and varieties are new plant species.

What are the 3 domains?

Bacteria, archaea and eukarya.

What is archaea?

Genetically similar to bacteria but very different, found in extreme conditions.

What is eukarya?

The domain where plants, animals, fungi and protoctists fall.

What is natural selection?

Where, by chance, the variations of some individuals make them better at coping with change than others.