Energy Suitable Forms

Which is not a form of energy?

• chemical

• thermal

• light

• fire

The first law of thermodynamics states...

• Energy can be created or destroyed

• Energy cannot be created or destroyed

• Never changes from one form to another

• Always creates new energy

The energy source for herbivores and carnivores is

• chemical (glucose)

• chemical (oxygen)

• light

• sound

The process that releases energy in cells is...

• photosynthesis

• respiration

• digestion

• metabolism

What is an endotherm?

• An animal that is dependent on external sources of body heat.

• Maintains a constant body temperature dependent of the environment.

• Maintains a constant body temperature independent of the environment.

Which of the following is NOT a use of energy by organisms?

• Repair of damaged cells

• Synthesis of complex organic compounds

• Diffusion across cell membranes

• Growth of new cells

Which of the following organisms would rely most heavily on energy from respiration for maintenance of body temperature?

• Red kangaroo

• Frill-necked lizard

• Blowfly

• Red-belly black snake

What will happen if insufficient digested food products are taken into a cell?

• The cell will start to make its own food

• The cell will engulf neighbouring cells

• The cell will use other organic compounds within the cell as a fuel source

• Respiration becomes anaerobic

Energy released by respiration is often used for maintenance of body temperature. 

Which of the following will occur if body temperature is lowered?

• Random movement of particles will increase

• Enzymes will break down

• Chemical reactions will slow down

• Chemical reactions will speed up