Primary Productivity

__________ primary productivity is the total amount of energy that producers convert to chemical energy in organic molecules per unit of time.   

• Net
• Total
• Gross
• None of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

About ___ percent of the planet is covered in ocean

• 25
• 50
• 85
• 70

Oxygen is essential to _______________.

• photosynthesis
• glycolysis
• cellular respiration
• fermentation

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

To measure primary productivity, you can measure carbon dioxide consumption, total carbohydrates produced or ________________.

• dissolved oxygen
• total proteins produced
• light energy entering system

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Would salt water or fresh water be expected to have a greater concentration of dissolved oxygen?

• salt water
• fresh water
• they would be equal

Tags

NGSS.HS-ESS2-5

Which environment would have a greater amount of dissolved oxygen, warm water (31degrees C) or cool water (18 degrees C)?

• warm
• cool
• they would be the same

__________productivity = the organic materials that remain after photosynthetic organisms in the ecosystem have used some of these compounds for their cellular energy needs (cellular respiration).

• Gross
• Primary
• Net
• Secondary

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3