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Cell Theory

Microscope and Cell Scientists

QuestionAnswer
Basic unit of all living things Cells
swivels allowing you to view from different directions Head
rotates lens to change magnification nosepiece
smallest of the lenses on the microscope low power
magnification of the low power lens? 4x
middle of the lenses on the microscope medium power
magnification of medium power 10x
largest of the lenses on the microscope high power
magnification of high power 40x
the lens you look through eyepiece
magnification of the eyepiece 10x
how to calculate total magnification eyepiece magnification times the lens magnification (10x time 40x = 400x
changes the amount of light diaphragm
illuminates the stage light
supports the lens and eyepiece. Connects head to base and used to help carry the microscope arm
part that holds the slide for viewing stage
big knob used to adjust the focus at lower powers coarse knob
little knob used to adjust smaller focus. Used mainly on high power fine knob
supports the entire microscope base
discovered cells by looking at cork Hooke
discovered single cell organisms in pond water Leeuwenhoek
disproved spontaneous generation Pasteur
discovered all plants are made of cells Schleiden
discovered all animals are made of cells Schwann
He got credit for discovering that cells come from other cells but he "borrowed" his work from another scientist. Virchow
Actually discovered that cells come from other cells Remack
Living things must have at least this many cells one
Basic unit of all living things cells
cells come from... other cells
What are the 3 parts of the cell theory? +All living things have one or more cells. +Cells are the basic unit of life. +Cells come from other cells.
What is spontaneous generation? people believed that all organisms appeared out of nowhere as if clothes and corn make a mouse.
What are the 6 characteristics of living things Living things... +grow and develop +are made of cells +reproduce +adapt to environment +respond to environment +gain and use energy
Living things have how many characteristics of living things? All 6!
Which of the following characteristics of living things best explains why birds fly south for the winter? Living things respond to their environment.
Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older? Living things grow and develop
Before a big soccer game Charlie always eats a big dinner. Which characteristic of life does this fact best describe? Living things gain and use energy
Created by: meginnij