Macromolecules and Cycles

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• This is not a correct diagram of any cycle.

Tags

NGSS.MS-ESS2-4

The process represented by arrow 4 is __

• transpiration
• precipitation
• evaporation
• condensation

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Bacteria fix nitrogen on plant roots. Plant roots provide sugar to bacteria. This is an example of _______.

• mutualism
• parasitism
• commensalism
• competition

Tags

NGSS.MS-LS2-2

How do plants get the nitrogen they need?

• from the air
• from the soil or water in which they live
• from the Sun
• from broken-down rocks

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

How does carbon in a grass plant get into a lion?

• The lion eats the grass
• Carbon from grass doesn't end up in a lion. 
• The carbon ends up in the food the lion eats. 
• The lion breathes in carbon given out by the plant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS1-6

What drives the water cycle?

• Water
• Precipitation
• Sun
• Transpiration

Tags

NGSS.MS-ESS2-4

Why do living things need nitrogen?

• To get energy
• To make amino acids
• To make proteins
• To make proteins AND amino acids

Nitrogen that is not combined with other elements and found in the atmosphere as gas is _____.

• free nitrogen
• nitrogen compounds
• ammonia
• nitrates

Tags

NGSS.MS-PS1-1