Life Sustaining Quiz

What is the main source of energy for sustaining life?

• Wind

• Water

• Sun

• Fire

Which process converts light energy into chemical energy in plants?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

What are the three most important gases needed to sustain life?

• Hydrogen, Carbon Dioxide, Nitrogen

• Oxygen, Carbon Dioxide, Nitrogen

• Oxygen, Carbon Dioxide, Helium

• Oxygen, Carbon Monoxide, Nitrogen

What is the main function of nitrogen in the environment?

• To keep cool

• To make proteins

• To produce energy

• To absorb food

What is the main function of water in the environment?

• To make proteins

• To absorb food

• To keep cool

• To produce energy during photosynthesis

What is the main function of soil for plants?

• To provide water and mineral salts

• To absorb food

• To keep cool

• To produce energy

What is the main function of temperature in determining the distribution of plants and animals?

• To keep cool

• To influence the distribution of plants and animals

• To help absorb food

• To produce energy

What is an adaptation in living things?

• A characteristic that helps an organism to survive and reproduce

• A characteristic that helps an organism to keep cool

• A characteristic that helps an organism to absorb food

• A characteristic that helps an organism to produce energy

What is an example of a special adaptation in living things?

• The ability to run fast

• The ability to camouflage

• The ability to fly

• The ability to swim

What is the hooked beak of a bird of prey an adaptation for?

• To absorb food

• To produce energy

• To rip the flesh off its prey

• To keep cool