Formative 1.4, 1.6, 1.9, 1.10, 1.11

Which one of these does not add CO₂ to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

How does the carbon in grass become part of a lion?

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

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Where is carbon stored in the environment?

• Fossil fuels
• Wood of trees
• Calcium carbonate (shells and bones)
• All of the above

Tags

APES.ERT.1.D

This is NOT a part of the phosphorus cycle.

• Phosphate is incorporated into sedimentary rocks

• Phosphate bound to soil

• Atmospheric phosphate

• Phosphate is absorbed from the soil by plants

_____ brings phosphorous into our waterways. .

• precipitation
• runoff
• transpiration
• condensation

Tags

NGSS.MS-LS2-3

Which of the following statements is true of the phosphorus cycle?

• Phosphorus enters the atmosphere as phosphates.
• The phosphorus cycle utilizes the processes of erosion, and weathering.
• Phosphates are used in carbohydrate and glucose storage.
• The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

What is the primary source of energy for most ecosystems?

• Wind energy

• Geothermal energy

• Sunlight

• Tidal energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What role do producers play in the energy flow of an ecosystem?

• They consume energy from higher trophic levels.

• They convert solar energy into chemical energy.

• They decompose organic matter.

• They store energy in the form of heat.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3