When no more individuals of a species remain they are extinct
What is extinction?
Mass, height, IQ, leaf area
What are examples of continuous variation?
The environment, inherited or both
What 3 factors cause variation?
thick fur, small ears, White fur, Large feet
What adaptations are found in artic dogs?
Blood group, eye colour, inherited diseases
What are examples of discontinuous variation?
Feature of an individual
What is a characteristic?
special feature or behaviour that makes an organism particularly suited to its habitat.
What is an adaptation?
Where differences between living things can have any numerical value.
What is Continuous variation?
Continuous variation and Discontinuous variation
Which two ways can characteristics be classified?
Asteroid hit Earth 66 million years ago.
what happened to cause the dinosaurs to become extinct
Where differences between living things can only be grouped into categories.
What is Discontinuous variation ?
The differences within and between species.
What is variation?
Disease, failure to reproduce and new predators
What are living factors that can cause extinction?
line graph or frequency graph
How is Continuous variation usually be represented?
species can adapt to new environments
Why is variation important?