Lab 1

Question 1

Body tube

Answer 1

Is a tube containing a prism that passes light from the objective lens to the ocular lens

Question 2

Compound light microscope

Answer 2

3 lens system

• condenser lens - the light from the light source on the specimen
• objective lens magnifies the image of the specimen
• ocular lens magnifies the image and inverts it for better vision

Question 3

Course focus

Answer 3

raise and lower the stage to focus the optics on the specimen

Question 4

Dichotomous key

Answer 4

Used to identify specimens of plants and animals