QOD: What are living things made of?

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Presentation transcript:

QOD: What are living things made of? Biology 12 Nov 22, 2017

They are all made up of _____… the _______________of life. CELL HISTORY: Robert Hooke (1665) Viewed slices of __________ under a microscope Observed “a lot of little boxes” The boxes reminded him of the small rooms the monks lived in He called these small boxes of cork “cells”

What are cells? ……… are they ______? Over time (from 1665 – 1855), and with many observations, scientists concluded that: All ________ are made up of cells. (1838 Matthias Scheiden) All __________ are made up of cells. (1839 Theodor Schwann) AND, all cells come from existing cells. (1855 Rudolph Virchow)

The cell theory All ___________ are composed of cells. From their many observations – the fundamental concept in Biology was developed – THE CELL THEORY: All ___________ are composed of cells. Cells are the basic units of ___________ and __________ in living things. New cells are produced from _________cells.

What is NOT a cell? List your ideas here ….

What is a cell? A cell is the ________ unit that is ______ and can carry on all the __________of life. (__________ and ______________ are NOT cells.)

Relative

How are cells classified? What types of cells are there? AND How are cells classified?

Types of Cells Eukaryotic Cells ______Cells _______ Cells (animals, (all types of Humans) plants) Prokaryotic Cells ____________

Most cells are small and can only be seen with a _____________ Animal cell as seen under an electron microscope

Cells make up organisms An organism = a living thing A unicellular organism is made up of ______ cell Example: The amoeba

Cells make up organisms A multicellular organism is made up of ______ cells NOTE multicellular organism do not have larger cells, just more cells Hydra is a genus of small, simple, fresh-water animals.