What is variation?

Biotic factors are

Abiotic factors are

Variation that can only have a value from a limited set of possible values is

Variation that can have any value between two points is called

Variation caused by an organism's genes is called 

Variation caused by an organism's environment is called 

When plotting continuous variation on a graph you will see

The bell shaped curve is known as

What is a fertilised egg called?

What is a gamete?

How many chromosomes in a cheek cell?

How many chromosomes in an egg cell?

How many chromosomes in zygote ?

How many chromosomes in a sperm cell?

What sex chromosomes do males have?

What sex chromosomes do females have?

What is the structure in which DNA is folded and coiled up into?

Describe the structure of DNA

What is the term that describes the gradual change in inherited characteristics over time?

What is the term given to features that allow organisms to survive in their environment?

What is the term used to describe organisms that are best adapted to their environment survive and reproduce?

What is the term used to describe there is a risk of all members of a species dying out

What is the term used to describe when all members of a species have died out?

What word describes closely related organisms who are able to reproduce and produce fertile offspring?

Name of the scientist who proposed the theory of evolution

What is the word that describes the number of different species in a habitat?

What are different versions of the same gene called?