Discovered by Mendel
Gregor Mendel (1822-1884) laid down the basic
principles of heredity.
He crossed different strains of purebred plants
and studied their progeny.
Mendel worked with common garden peas and
Basis of Life
are the basic units of life in all living
Complex life forms, such as plants and
animals, are made up of billions of cells.
The cells of all living organisms share many
similarities as a result of
The Development of
in the genetic structure of a
Also refers to the appearance of a new
Often controversial, some religious views hold
that evolutionary statements run counter to
Great Chain of Being Scala Naturae
arrangement of all living things in a
The chain was also carried over to social order.
We will see later that Racism is embedded in
the great chain