What do you remember about bacteria?. Remember! Monera is classified as a Kingdom. There are two Moneran Kingdoms: 1)Archaebacteria 2)Eubacteria pneumonia.

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Presentation transcript:

What do you remember about bacteria?

Remember! Monera is classified as a Kingdom. There are two Moneran Kingdoms: 1)Archaebacteria 2)Eubacteria pneumonia

Archaebacteria Kingdom Live in harsh conditions like hot springs. Ex. The yellow and orange rings around hot springs.

Eubacteria Kingdom Germs in you. Live in soil, water and human body. Causes milk to become yogurt. Causes ear, sinus infections, and pneumonia

Bacteria Have no nucleus b/c they are prokaryotes. Smallest organisms but the most abundant. Ex. 2.5 billion in one pencil eraser size of soil. 1 st bacteria found in surgeonfish.

So, if bacteria are so numerous, how do bacteria reproduce?

Binary Fission Bacteria pulling apart into 2 cells.

In which stage of binary fission is the picture above?

STRUCTURE OF BACTERIA

But, where do bacteria reproduce? Warm, moist environments! What if it is a cold environment?

Endospores Are bacteria that grow a thick protective membrane to live harsh environments. (Sorta like a coat!) Ex. Insects in amber with endospores in their digestive tracts.

Shapes of Bacteria Bacilli (buh SIL ie) Rod shaped Cocci (KAHK sie) Circular Spirilla (spie RI luh) Spiral

Bacteria of the Day! Cyanobacteria Live in water. Live in cells with nuclei. Make food from the sun. Protected by host.

Ticket out the door: 1. Draw and explain binary fission 2. Why this is beneficial or harmful for humans and bacteria?