Unit 6 Review Question Preview (ID: 49795)


Food Weds, Food Chains, Energy Pyramids, Photosynthesis And Energy Transformations. TEACHERS: click here for quick copy question ID numbers.

Which energy transformation is taking place when an animal eats food to keep warm?
a) chemical to thermal
b) mechanical to radiant
c) mechanical to radiant
d) radiant to chemical

Which of the follow statements is true?
a) each group receives only a small amount of energy from the level below.
b) the higher you go the energy increases
c) there is no energy above producers
d) there is less energy in the producer level

Where are the producers located on an energy pyramid?
a) bottom
b) top
c) second tier
d) third tier

what do arrow represent in the diagram of a food chain?
a) energy passed from one organism to the next
b) the importance of the organism in the ecosystem
c) the order of size of organisms in the ecosystem
d) the energy increases as you move from the left to right

Which type of organism receives the most energy produced by producers?
a) primary consumers
b) secondary consumers
c) tertiary consumers
d) top predators

Which direction does energy flow in an energy pyramid?
a) up
b) down
c) left
d) right

Which organism is a producer?
a) grass and cacti
b) owls and wolves
c) grasshoppers and spiders
d) mice and snakes

During photosynthesis, energy is stored in the chemical bonds of ...
a) glucose
b) carbon dioxide
c) oxygen
d) water

How much energy is passed from one level of a energy pyramid to the next?
a) 10%
b) 1%
c) 90%
d) 100%

Which type of energy formed during photosynthesis?
a) Chemical
b) Radiant
c) Thermal
d) Kinetic

During the process of photosynthesis what happens to the energy?
a) light energy is converted into chemical energy
b) chemical energy is transformed into mechanical energy
c) thermal energy is changed to chemical energy
d) solar energy is transformed to mechanical energy

What kind of energy is needed to initiate the process of photosynthesis?
a) Radiant
b) Heat
c) Electrical
d) Wind

What happens to solar energy during photosynthesis?
a) It is transformed into chemical energy
b) It is converted into glucose and oxygen
c) It is stored as heat
d) It is recycled by plants and returned to the environment

Which type of energy transformation is occurring in the body as energy from food is turned into fat?
a) chemical to chemical
b) mechanical to thermal
c) thermal to chemical
d) thermal to radiant

Which is the transformation of energy from eating a meal to exercise?
a) chemical to mechanical to thermal
b) chemical to thermal
c) mechanical to thermal to chemical
d) thermal to mechanical to chemical

What energy transformation takes place when a squirrel digests a acorn?
a) chemical to thermal
b) radiant to chemical
c) radiant to mechanical
d) thermal to chemical

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