Classification 1-4

Taxonomy

The scientific study of how living things are classified

Taxon

a group of organisms in a classification system

Species

A group of organisms that are closely related and can mate to produce fertile offspring

Genus

A group of similar species

genus and species

Scientific names of organisms.

Mammalia

class of mammals

Vertebrates have

backbone

Biodiversity

the variety of life in the world or in a particular habitat or ecosystem.

Multicellular

Consisting of many cells

Unicellular

Made of a single cell

Prokaryote

A unicellular organism that lacks a nucleus and membrane bound organelles

Eukaryote

organism whose cells contain a nucleus

Autotroph/Producer

An organism that makes its own food

Heterotroph/Consumer

organism that obtains food by consuming other living things

6 kingdoms

Archaebacteria, Eubacteria, Protista, Fungi, Plantae, Animalia

Pathogen

An organism that causes disease

Decomposer

An organism that breaks down wastes and dead organisms

food web vs food chain

A food web consists of many food chains. A food chain only follows just one path as animals find food.

Omnivore

An animal that eats both plants and animals

Archaebacteria

considered ancient life forms that evolved separately from bacteria and blue-green algae