Energy Flow in an Ecosystem Quizizz

What is the ultimate source of energy for most ecosystems?

• a) Water
  

• b) Plants
  

• c) The sun
  

• d) Producers

How is energy transferred between organisms in an ecosystem?

Answer explanation

Energy is stored in chemical bonds and are therefore released when these bonds are broken.

How is energy primarily transferred through an ecosystem?

• Through food chains and food webs

• Through the air

• By the movement of organisms

• By decomposers

Answer explanation

Energy transfer is primarily shown in the linear food chains and the network of food webs. Which utilmately shows how organism interact in their ecosystems.

What are producers, and why are they important in an ecosystem?

What is the main process by which producers create energy?

• Respiration

• Photosynthesis

• Decomposition
  

• Combustion

Answer explanation

Photosynthesis is the process by which producers like plants make their own food in the form of chemical energy .

Explain the 10% Rule in energy transfer. Give an example to support your answer .

Answer explanation

It simply an illustration of how much actual energy is transferred up the energy pyramid and how much energy is lost.

If a plant contains 1000 Joules of energy, how much energy will be transferred to a primary consumer (e.g., a grasshopper)?

• a) 1000 Joules
  

• b) 100 Joules
  

• c) 10 Joules
  

• d) 1 Joule

Match the following

• hawk that eats the snakes

• Has the most energy

• rabbits that eat grass

• Receives the LEAST energy from the producers

• Producers

• Receives the MOST energy from the producers

What does the First Law of Thermodynamics state about energy?

According to the first law of thermodynamics, energy cannot be ________.

• Lost as heat
  

• Converted

• Transferred

• Created or destroyed