Life's Energy: Question Preview (ID: 13745)

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What type of energy makes the light energy from the sun?
a) nuclear fusion b) thermal energy c) sound energy d) heat energy
How is the sun responsible for providing energy for ecosystems?
a) The sun isn't responsible for the ecosystems energy b) Consumers use sunlight directly to make thier energy c) Producers use sunlight to make their sugar which gives them energy d) The sun radiates heat to the ecosystems which provide energy
What is the process by which plants use sunlight to produce glucose?
a) Cellular respiration b) Mitosis c) Meiosis d) Photosynthesis
What food source is used by a plant that is made by photosynthesis?
a) water b) glucose or sugar c) carbon dioxide d) oxygen
Which correctly describes the process of photosynthesis?
a) Carbon dioxide+water= light energy+glucose b) Carbon dioxide+water+light energy=glucose+oxygen c) Carbon dioxide+oxygen+light energy=carbon dioxide+oxygen d) Carbon dioxide+glucose=light energy+oxygen+water
Why are many plants green?
a) Plants absorb green light b) Plants are green c) Chlorophyll reflects green light d) Rigid cell walls are green
How do animals meet their energy needs?
a) Consuming other organisms b) Making their own food c) Using sunlight to make sugar/glucose d) Using nuclear energy
The process by which cells use sugar and oxygen to produce energy from food is called
a) Photosynthesis b) Tanspiration c) Cellular respiration d) Germination
Why do plants and animals need energy?
a) For growth and function b) To run around c) To lift heavy objects d) None of these
What provides energy that cells need to do work?
a) Protons b) Atoms c) Light d) Food
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