THEY ARE EVERYWHERE!!!

Name:_____________________________Class:________Date:________#_____A HO

_______________: outer covering

that protects the cell

Cell Membrane Controls what

goes in and out of the cell (also called______________

membrane)

Cytoplasm ________-like

material inside the cell membrane

Ribosomes Chemical factories

where ___________are produced

____________ Genetic material

Contains instructions for all of the cell’s functions

Flagellum Plural Flagella

Long, whip-like structure to help cell ______________

May have many, 1, or none

Most _________have any & are carried from place to place by: ______________ Water currents Other objects

_________(Coccus) Spherical

Bacilli (Bacillus) _______-shaped

Spirilla (Spirochetes) ___________Shaped

PROKARYOTES- do not have an organized __________________ Most known prokaryotes are

_______________________ Archaea (________known)

Can move Get energy Can reproduce (usually asexually) Very small and simple

_________________-have an organized nucleus US!!!!!!

When bacteria have:1. Plenty of ________________2. Correct temperature3. Suitable conditions

they thrive and ______________frequently.

Some can reproduce as often as every 20 minutes!!!!!!

Asexual Involves only ___________ parent and produces

offspring identical to the parent

Most bacteria reproduce this way- it is called _______________FISSION1. Cell enlarges2. Cell duplicates _____________3. Cell and DNA copy start to separate4. Cell divides into 2 separate cells

(________________)

Sexual _________parents combine

their genetic material to produce a new organism, which differs from both parents

______________________occurs Have to be really special

conditions Called:

CONJUGATIONhttp://www.youtube.com/watch?v=O-EdX4MaMFE

http://trc.ucdavis.edu/biosci10v/bis10v/week7/bacterial_conjugation.mov

Endospore Formation Sometimes conditions are harsh for bacteria

to survive Form Endospores for survival

____________________-small, rounded, thick-walled, restless cell that forms inside a bacterial cell

Contains cells genetic material & ___________________

Bacteria must have: A source of food A way of breaking down the food to release its

energy Bacteria are classified on how they get

their _____________________

Autotroph (__________________) Make their own food:

1. Capture and use ____________energy (like plants do)2. Use energy from _______________substances in their

environment to make foodExamples: bacteria in pond cause the green cloudy

scum in water, bacteria in hot springs use chemical energy to make food

Heterotroph (_________________) Consume other organisms or the food other

organisms make Example: bacteria in yogurt breaks down the sugars

in milk for food ______________________

Break down and feed off of dead organisms Saprophytes

Break down dead leaves in the fall

Don’t all have a cell ____________ 3 types

_________________lovers Found in really hot environments

Ocean vents, hot springs, geysers _________________lovers

Found in areas with high salt content Oceans, The Dead Sea, Great Salt Lake

_________________lovers Found in swamps or animal intestines

Really stinky!!