(7th) Chapter 3-1 Cornell Notes

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Presentation transcript:

(7th) Chapter 3-1 Cornell Notes Discovering Cells

(7th) Chapter 3-1 Cornell Notes Key Questions 1. What are cells? 2. What is the cell theory?

Chapter 3-1: Key Terms cell- cell theory- unicellular- multicellular- tissue- organ- organ system-

Chapter 3-1 Part 1 cells: units of structure and function in living things; most cells microscopic.

Chapter 3-1 Part 2 microscope: now possible to observe/study cells; Robert Hooke: coined the term “cells”; Anton van Leeuwenhoek: studied cells, coined term “animacules”.

Chapter 3-1 Part 3 1. Matthias Schleiden: all plants made of cells; 2. Theodor Schwann: all animals made of cells; 3. Rudolf Virchow: new cells come from old cells; 1, 2, 3 + others formed cell theory; cell theory: All living things made of cells; Cells basic unit of structure and function; All cells produced from other cells.

Chapter 3-1 Part 4 unicellular: composed of only 1 cell; multicellular: composed of many cells.

Chapter 3-1 Part 5 multicellular organisms: cells to tissues to organs to organ systems; tissue: group of similar cells working together for specific function; organ: made of different kinds of tissues working together for specific functions; organ systems: group of organs working together for specific functions.