Classification of Life

Warm Up

What do you think a

has in common with a ?

All living

things….

1. Are made up of cells.Prokaryotes – organisms

made of one cellEukaryotes – organisms

made of many cells (maybe billions!)

2. Sense and respond to change.Stimulus – a change that affects the

activity of an organismoMay be gravity, light, heat,

chemicals, sounds, hunger, etcHomeostasis – maintenance of a

stable internal environment

All living

things….

3. Reproduce.Asexual reproduction – making offspring

by one parent; offspring are identical to parent.

Sexual reproduction – making offspring from two parents; offspring share characteristics of both parents.

4. Have DNAPassed from parents to

offspringHow traits are passed

All living things

…

5. Use Energy.They need energy to carry

out the activities of life.

Metabolism – total of all chemical activities of an organism

6. Grow and developEvery living thing starts

as one cell.How many cells do you

have?

Living things need…• Water – most cells are 70% water• Food – provides energy, nutrients,

and raw materialsoProducers - make their own foodoConsumers – eat other organisms

for energyoDecomposers – get energy by

breaking down dead organisms• Air• A place to live

Two Kingdoms of Bacteria

ArchaebacteriaEubacteria

All bacteria…• Are single celled prokaryotes that do not have a nucleus• Are extremely small

The Other Four Kingdoms

•Protista• Fungi•Plantae•Animalia

All the organisms in these kingdoms are multicellular

eukaryotes EXCEPT for Protista which

includes prokaryotes AND

eukaryotes