Study of Life Classification.

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Presentation transcript:

Study of Life Classification

What variety! What similarity! Diversity of Life there are so many different creatures on Earth why are there differences? Unity of life all creatures have similarities common characteristics why are they so alike?

Organizing the world of organsims The Tree of Life organize creatures by structure & function how they are built how they live organize them into groups of closely related creatures

Bacteria & Archaebacteria Eukaryote Prokaryote Classification 6 Kingdom system Prokaryotes No separate organelles in their cells Bacteria Archaebacteria Eukaryotes Separate organelles in their cells Protists Plants Fungi Animals Bacteria & Archaebacteria

Kingdom Archaebacteria Prokaryotes Kingdom Protist Kingdom Fungi Kingdom Plant Kingdom Animal Kingdom Archaebacteria Kingdom Bacteria Eukaryotes

Classification Kingdom Phylum Class Order Family Genus species

Organizing systems Making sense out of the differences Eastern gray squirrel Sciurus carolinensis

Prokaryotes Bacteria one-celled organisms microscopic no organelles have cell membrane have DNA most common form of life on Earth incredible number of different kinds

Bacterial diversity rods and spheres and spirals… Oh My! Rods Spheres

Both Good & Bad… Pathogens Beneficial & necessary cause disease infections Beneficial & necessary help in digestion help plants grow make foods

Archaebacteria Ancient bacteria live in extreme environments high heat high salt the most ancient creatures living on Earth today

Bacteria live EVERYWHERE On plants & animals In plants & animals In the soil In the extreme cold In the extreme hot On the living On the dead

Any Questions??