STRUCTURES & FUNCTIONS

Cell specialization in multicellular organisms allows cells to

• reproduce.
• perform different functions & increase efficiency
• respond to their environment.
• be less complex.

Which of the following is NOT a characteristic of all living things?

• They grow and develop
• They are made of thousands of cells
• They pass their traits onto their offspring
• They respond to their environment

What is the correct order of the levels of organization in a living thing, starting with the smallest level?

• Organism > Cells > Tissues > Organs > Organ System
• Tissues > Cells > Organs > Organ Systems > Organism
• Cells > Organs > Tissues > Organ Systems > Organism
• Cells > Tissues > Organs > Organ Systems > Organism

Which of these is not an example of homeostasis?

• maintaining an internal body temperature (thermoregulation)
• white blood cells attacking bacteria
• maintaining cell pressure (osmoregulation)
• adjusting blood sugar levels

Which of the following is a common part of all cells?

• nucleus
• cell wall
• plasma membrane
• mitochondria