What do a group of similar cells working together make?

• Tissue

• Organ

• Organ system

• Organism

What is the correct order of the first 6 levels of organization from smallest to largest?

• Tissue--Organ--Cell--Organ system--Organism

• Organism-Organ system-Organ--Tissue--Cell

• Cell--Tissue--Organ--Organ system--Organism

• Organ system--Cell--Tissue--Population--Ecosystem--Biosphere

What's the wrong with this order:

Organ--Tissue--Cell--Organ system--Organism

• Nothing is wrong

• Delete "Tissue"

• Swap cells and organs

• Add "Ecosystem" in between "Organ" and "Organ system"

The brain is part of the nervous system. Which of these completes the analogy, brain is to the nervous system as ________ is to __________.

• Organ is to Organ system

• Cell is to tissue

• Cell is to organ

• Organ system is to Organism

The respiratory system is a part of the human body. Which of the following best completes the analogy, respiratory system is to the body as _____________ is to ______________.

• Organism is to population

• Organ is to tissue

• Cell is to tissue

• Organ system is to Organism

The ____________________ system is like the nucleus because it controls the body.

• Circulatory

• Integumentary

• Skeletal

• Nervous

The _______________________ is like the Digestive system because they both break down food to release energy.

• Nucleus

• Cytoplasm

• Mitochondria

• Cell Wall

The cytoplasm is like the __________________ system because they both contain fluid that transports oxygen and nutrients around the body and the cell.

• Muscular

• Digestive

• Integumentary

• Circulatory

The cell membrane is like the ______________________ system because they are flexible and thin barriers on the outside protecting from germs.

• Skeletal

• Integumentary

• Digestive

• Nervous

The ____________ is like the Skeletal system because they provide shape, structure and protection.

• Mitochondria

• Cell wall

• Cytoplasm

• Digestive