Heredity

The parents and the offspring of a type of organism have some similar physical characteristics.

Parents pass on their characteristics to their offspring. This is known as _______.

The _______ is the building block of all organisms. All parts of our body are made up of _______ .

_______ are the structures in the cells that are responsible for the characteristics in organisms.

Organisms _______ to ensure that their kind will continue to exist. If organisms do not _______, their kind will die out and they will become extinct.

ลักษณะนิสัย

What type of hair is this?

Is her dimple present or absent?

Is her widow peak hairline present or absent?

What trait is this picture?