The differences between the individuals in a species are caused by ...............

The passing of features from parents to their offspring.

Genes provide a set of instructions that determine the .............. of an organism.

Genes are passed on from ............... to ........................

Genes are found in long threads called ..................

Genes and chromosomes are made of a chemical called ...........

Offspring inherit .................. of their genes from each of their parents.

Just the animals or plants with desired features are allowed to breed.

Individuals that have variations that best adapt them to their environment are most likely to survive and reproduce.

The first person to suggest a way in which one species could change into another species.

The theory of Natural Selection was first published in a famous book called....