8th Grade Life Science Review FL

Which set of Organs belongs to the Excretory System?

• Heart, blood vessels

• Trachea, larynx, pharynx, and lungs

• Kidneys, urinary bladder

• Brain, spinal column

In a prokaryote, where is the DNA stored?

• nucleus
• cytoplasm
• mitochondria
• vacuole

Which of the following is NOT one of the basic points of Cell Theory?

• All living things are made of cells.
• The cell is the smallest living thing that can perform all the functions of life.
• Cells are too small to see without a microscope.  
• All cells must come from pre-existing cells.

Which choice is NOT part of the cell theory.

• All organisms are composed of cells.

• Cells are the basic unit of life.

• All cells come from previous cells.

• Cells are always the same size and shape.

The ___________ is the basic unit of life

• organ
• cell
• atom
• tissue

Identify the initiation event.

Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed and the person begins to sweat and their body temperature decreases.

• temperature change is noticed

• person begins to sweat

• body temperature decreases

• person begins to exercise

______ is keeping conditions in the cell balanced. (This will be a matching question on the test)

• Homeostasis

• Response

• Metabolism

• Nutrition

All cells come from___________ cells.

• pregnant
• pre-existing
• paternal
• pin size

Which of the following is not regulated by homeostasis?

• body temperature

• blood sugar

• blood pH

• body movements

Cells are the basic unit of life

• true
• false