Energy & Biogeochemical Cycles

Which is NOT a process of the hydrologic cycle?

• precipitation

• freezing

• transpiration

• evaporation

Tags

NGSS.MS-ESS2-4

The process of plants losing water through their leaves is called ____.

• condensation

• evaporation

• transpiration

• nitrification

Why do living things need nitrogen?

• To get energy

• To make carbohydrates

• To make fats and starch

• To make proteins and amino acids

Where are nitrogen-fixing bacteria found?

• in water

• root nodules

• in dead things

• in the atmosphere

What is the only process that removes carbon from the atmosphere?

• combustion

• cellular respiration

• photosynthesis

• sublimation

Tags

NGSS.MS-LS1-6

Where is carbon found in the environment?

• fossil fuels

• wood of trees

• calcium carbonate (shells and bones)

• All of the above

Tags

NGSS.MS-LS2-3

How do animals get nitrogen?

• the atmosphere 
• eating other organisms
• rainwater
• lightning 

Tags

NGSS.MS-LS2-3

Identify the cycle pictured.

• the water cycle

• the carbon cycle

• the nitrogen cycle

• the phosphorus cycle

Photosynthesis

• absorbs CO_2.

• releases CO_2.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Energy flows through an ecosystem and is transferred and lost as ____________, but chemical elements are ____________.

• light, heat

• heat, lost

• light, gained

• heat, recycled

Tags

NGSS.MS-LS2-3