Set 1.3 and 1.4

Aristotle

Lived more than 2,000 years ago. He was one of the first people to classify organisms.

Carolus Linnaeus

Swedish physician and botanist, classified organisms based on similar structures. Linnaeus placed all organism into two main groups, called kingdoms.

Robert H. Whittaker

an American biologist, came up with a five-kingdom system for classifying organisms.c

Dichotomous Key

is a series of descriptions arranged in pairs that lead the user to the identification of an unknown organism

Systematics

the branch of biology that deals with classification

Classification

system of organization based on shared characteristics or qualities

Species

is a group of organisms that have similar traits and are able to produce fertile offspring

Genus

A group of similar species

Binomial Nomenclature

gives each organism a two-word scientific name

Biodiversity

variety of life that can be found on Earth