SCIENCE EXAM I QUIMESTER

Complete the following:

The ______ is the first and smallest level of biological organization.

• neuron

• cell

• tissue

• system

Classify the following organisms as unicellular or multicellular.

Groups:

(a) Unicellular

,

(b) Multicellular

• 
• 
• 
• 

Drag and drop each level of organization in multicellular organisms.

a

b

c

d

e

Cell

Organism

Organ

Tissue

System

Complete the following:

______ is the second level of biological organization and consists of cells with the same function, such as muscle tissue and nerve tissue.

• Cell

• Tissue

• Sytem

• Organism

Choose the correct option:

It is the third level of biological organization and is made up of different tissues working together to do the same job.

• System

• Organ

• Tissue

• Cell

Choose the correct option:

It is the fourth level of biological organization and is made up of a group of organs working together to perform the same function.

• System

• Organ

• Tissue

• Cell

Which level of biological organization includes all the other levels?

• System

• Organ

• Tissue

• Multicellular Organism

Label each organ of the digestive system.

a

b

c

d

e

f

Esophagus

Mouth

Large Intestine

Small Intestine

Liver

Stomach

Put the stages of the digestive process in order.

• 
• 
• 
• 

The ​ (a)   moves the food through the digestive tract. It occurs when the​ (b)   expands and contracts to push the​ (c)   down to the​ (d)   .

• peristaltic movement
• esophagus
• bolus
• stomach
• salivary glands