Ecology Chapter 2

Which of these is a biotic factor?

• Sunlight
• worms
• water
• wind

What is the main ingredient in cell fluids?

• blood
• water
• oxygen
• Carbon Dioxide

Air is composed mostly of what?

• Oxygen
• Carbon Dioxide
• Nitrogen
• Water

What abiotic factor determines temperature?

• Amount of rain
• Sunlight
• The soil
• Climate

How much energy transfers to the next level in an energy pyramid?

• 10%
• 1%
• 20%
• 50%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these can be recycled?

• Matter
• Energy
• Both matter and energy

Which process uses oxygen in animals?

• Photosynthesis
• Respiration
• Transpiration
• Evaporation

Nitrogen in the soil is used by ______

• Plants and animals
• Plants only
• water
• photosynthesis

What happens to the energy in an energy pyramid as you move up from each level to the next level?

• It increases
• It decreases
• There is no change
• It evaporates

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do farmers replace some of the soil nitrogen that is taken out when drops are harvested?

• Use fertilizer
• Use compost
• plant soybeans or peas
• All of the above