Year 9 Energy in ecosystems

What is the ultimate source of all the energy on Earth

Identify the type of organism found at the start of a food chain

• Herbivore

• Producer

• Carnivore

• Primary consumer

State the process carried out by producers to make their own food

What type of organism is a herbivore?

• Decomposer

• Secondary consumer

• Primary consumer

• Producer

What term describes an organism that feeds on plants AND animals

• Carnivore

• Herbivore

• Primary consumer

• Ominivore

Typically how much energy is lost at each stage in a food chain?

• 0.1%

• 1%

• 10%

• 100%

In what form is most energy lost at each stage in a food chain?

• Light

• Kinetic

• Heat

• Potential

State the process that occurs in cells to release energy

State the term that describes the total amonunt of dry matter (carbon compounds) in an organism or population

Identify the diagram that shows all the possible feeding relationships in a habitat or ecosystem

• Food chain

• Pyramid of biomass

• Pyramid of energy

• Food web