5 L 3 3

In a food pyramid, which best explains why the number of organisms decreases from one trophic level to the next?

• Consumers at the lower level require more energy than the top-level consumers.

• Consumers at the top level require more energy than the lower-level consumers.

• The consumers are feeding on larger organisms that have less energy.

• The consumers are feeding on smaller organisms that have less energy.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

After decomposers break down decaying organisms, which directly uses the resulting nutrients?

• animals

• fossils

• plants

• the Sun

Tags

NGSS.MS-LS2-3

Which macromolecule stores energy, insulates us, and makes up the cell membrane?

• lipids

• proteins

• carbohydrates

• nucleic acids

Why is protein an important part of a healthy diet?

• it is needed to change glucose to energy.

• it is needed to store nutrients.

• it is needed to repair tissue.

• it is needed to produce water.

Which of the following foods would provide the body with energy in the shortest amount of time?

• potato

• meat

• milk

• fruit

The units we use to measure the energy our body uses and energy it receive from food is called:

• Calorie

• Pounds

• Meters

• Mass

When you breathe, your lungs take in ___ and remove ___.

• air/oxygen

• oxygen/carbon dioxide 

• carbon dioxide/waste 

• waste/air 

Tags

NGSS.MS-LS1-3

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi

• lungs

• oxygen

• alveoli

Tags

NGSS.MS-LS1-3

Label the image.

f

g

h

i

j

e

d

c

b

a

Right Main Brochus

Right Lung

Left Main Bronchus

Oral Cavity

Nasal Cavity

Left Lung

Diaphragm

Trachea

Pharynx

Larynx

Order the following structures for the correct sequence of air movement during inhalation

• Alveoli

• Bronchi

• Trachea

• Capillary

• Bronchiole Tubes