1.8.1

HideShow resource information

EVOLUTION:

The evidence for evolution suggests that all living species have evolved from simple life forms that first developed over 3 billion years ago.

Classification:

Organisms are CLASSIFIED as plant, animal or microorganism using the similarities and differences in their characteristics. Classification can show how organisms are related by evolution or by how they live (ecological relationship).

EVOLUTIONARY TREES are models of the relationships between organisms.

THEORIES OF EVOLUTION 

Darwin's Theory:

Darwin's theory states that evolution happens through NATURAL SELECTION.

Natural selection works on inherited characteristics (caused by GENES).

Relatively rapid evolution can occur if:

  • a new form of a…

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Evolution, extinction and natural selection resources »