Cells and Systems: Topic 1&2 Review

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria
• the vacuoles
• the nucleus
• the cell

Which choice below shows the order of organization in an animal from simplest to most complex?

• organ system, organ, tissue, cell
• cell, tissue, organ, organ system
• tissue, cell, organ system, organ
• tissue, cell, organ system, organ

Animals eat food and plants use sunlight, both are examples of obtaining what?

• A full stomach

• Cells

• Energy

• headache

What is an organism whose body is made of more than 1 cell known as?

• unicellular
• multicellular
• cell
• Homeostasis

Directs all the cell's activities.

• mitochondria
• chloroplasts
• vacuole
• nucleus

All living things are made from cells.  

• True
• False

This is the "brain" of what controls all the activities of the cells.

• Mitochondria
• Cell membrane
• nucleus
• nucleus membrane

Which organelle provides storage of food, water, and nutrients?

• Cell membrane
• mitochondria
• Vacuole
• Vacuume

What is a group of organs working together is called?

• Tissue system
• organ system
• An organism
• cell system

Which term refers to groups of different tissues that have combined to form a single structure?

• Cells
• Organs
• organ system
• Organisms