Ecology and Chemistry Review

What are 2 examples of carbohydrates?

• Sugars and Starches

• Fatty Acids and Glycerol

• Fats and Waxes

• Amino Acids and Enzymes

In the reaction, which structure represents an enzyme?

• A

• B

• C

• E

Tags

NGSS.MS-PS1-2

Which organisms are capable of converting N2 (atmospheric nitrogen) and NH4 (ammonia) to NO3 (nitrates)?

• Plants

• Animals

• Fungus

• Nitrifying Bacteria

What is the primary role of grass in the food chain below?

Grass -> mouse -> Snake -> Hawk

• It provides a nesting site for a hawk

• It releases energy from the soil

• It provides seeds for the hawks and snakes to eat

• It transforms solar radiation into chemical energy via photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement explains the importance of maintaining a constant internal environment to ensure proper enzyme function?

• Changes to the pH and temperature will cause the enzyme to react too quickly

• Temperature and pH determine which amino acids are present

• Changes in pH will change genetic instructions

• Changing temperature and pH can alter the specific shape of the enzyme so it will no longer work

Tags

NGSS.HS-LS1-3

What is the function of autotrophs in the carbon cycle?

• They use oxygen to make glucose

• They remove CO2 from the atmosphere and make oxygen

• They take in excess water

• They feed on herbivores

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following structures is the building block of proteins?

• 
• 
• 
• 

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6