Organization of Life review (English)

Which of these is the basic unit of life in all living things?

• tissue
• organ
• cell
• atom

A group of tissues that perform a similar function is called an_____. (Examples include the heart, lungs or stomach)

• cell

• tissue

• organ

• organ system

What is the correct ordering of life from smallest to largest?

• organism, organ, organ system, tissue

• organism, organ system, organ, tissue, cell

• cell, tissue, organ, organ system, organism

• All choices are correct

Which of the following is an example of an organism?

• Human
• Apple tree
• Yeast
• All of these

The heart is an example of a(n) _________.

• Organ system
• Organ
• Organism
• Tissue

The circulatory (cardiovascular) system is an example of a(n) _______.

• Organism
• Organ system
• Organ
• Cell

Organs are made up of ________.

• tissues
• organ systems
• organisms
• species

Tissues are made up of ________.

• organs
• organ systems
• organisms
• cells

If you see cardinals, blue jays and owls in your back yard, this is an example of a 

• community
• population
• ecosystem
• species

Look at the picture carefully. Decide if the picture shows a population or a community.

All of the animals in the rain forest.

• Population

• Community