Evolution (core) Flashcards
Evidence that evolution has taken place?(2)
Charles darwins theory and Jean-baptiste Lamarks theory
What is Darwin’s theory?
Darwin’s theory states that evolution takes place by a process of natural selection and that humans evolved from apes
Describe Lamarks theory
His theory was that humans evolved from worms
How does mutation result in a change to genes?
If the mutated gene controls a characteristic which makes the organism better adapted to the environment then it will be passed onto the offspring.
What is classification?
Classification helps us to understand evolutionary and ecological relationships
Define evolution
The process of slow change in living organisms over long periods of time as those best adapted to survive breed successfully
Describe some of the criteria used to classify organisms (2)
plant or animal
Why are evolutionary trees useful?
They show relationships between organisms