Ecosystems and Biogeochemical Cycles

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

• condensation
• evaporation
• transpiration
• exhaling

Tags

NGSS.MS-LS2-1

What is the most abundant gas in the atmosphere?

• hydrogen
• oxygen
• helium
• nitrogen

Why do living things need nitrogen?

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

Tags

NGSS.MS-LS3-1

Carbon dioxide is added to the atmosphere by

• Burning fossil fuels 
• Cellular respiration
• Decomposing organic matter
• All answers are correct

Organisms that break down dead plants & animals and release nitrogen back into atmosphere...

• bacteria
• plants
• animals
• producers

Tags

NGSS.MS-LS2-3

Process by which water travels through the environment/ organism?

• Water Cycle

• Carbon Cycle

• Nitrogen Cycle

• Biogeochemical Cycle

Tags

NGSS.MS-ESS2-4

Place where a substance is held or accumulated?

• Photosynthesis

• Reservoir

• Assimilation

• Release

Tags

NGSS.MS-ESS3-1

Process by which nitrogen moves through an ecosystem?

• Nitrogen Cycle

• Water Cycle

• Oxygen Cycle

• Carbon Cycle

Tags

NGSS.MS-LS2-3

Bacteria that change nitrogen gas form the atmosphere into nitrogen plants can use?

• Carbon-fixing Bacteria

• Nitrogen-fixing Bacteria

• Water-fixing Bacteria

• Limiting Nutrient

Tags

NGSS.MS-LS2-3

What follows evaporation during the water cycle? How does this occur?

• Water evaporates into water vapor
• Water vapor condenses and forms a  cloud
• Water precipitates to the ground
• Water runs down into the hydrosphere

Tags

NGSS.MS-ESS2-4