LS Units 2 & 3 Review

What is an organ system?

• A group of cells

• A group of tissues

• A group of organs

• A single organ

Tags

NGSS.MS-LS1-3

What type of organism is a tarantula?

• Unicellular

• Multicellular

• Both

• Neither

Tags

NGSS.MS-LS1-1

What is an example of a hypothesis?

• F = m x a

• Evolution by Natural Selection

• Runners drinking sports drinks

• If-then statement

Which part of the microscope holds the objective lenses and can rotate to change magnification?

• Revolving nosepiece

• Stage clips

• Arm

• Diaphragm

Which part of the microscope connects the eyepiece to the objective lenses?

• Arm

• Body tube

• Stage clips

• Base

What is the function of the stage clips on a microscope?

• To hold the slide in place

• To adjust the focus

• To change the magnification

• To illuminate the specimen

Which part of the microscope is used to carry it safely?

• Base

• Arm

• Stage

• Body tube

What is the function of the eyepiece or ocular lens in a microscope?

• Used for rough focus

• Magnifies image (10X)

• Rotates and holds the objective lenses

• Adjusts the amount of light

What is the function of the diaphragm in a microscope?

• Adjusts the amount of light

• Magnifies image (10X)

• Used for rough focus

• Platform for holding the slide

What is the total magnification if both the eyepiece lens and the objective lens are 10x?

• 10x

• 100x

• 40x

• 400x