Unit 6 Review Question Preview (ID: 49795)
Food Weds, Food Chains, Energy Pyramids, Photosynthesis And Energy Transformations.
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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
What kind of energy is needed to initiate the process of photosynthesis?
a) Radiant
b) Heat
c) Electrical
d) Wind
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
Which type of energy formed during photosynthesis?
a) Chemical
b) Radiant
c) Thermal
d) Kinetic
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 organism is a producer?
a) grass and cacti
b) owls and wolves
c) grasshoppers and spiders
d) mice and snakes
Which direction does energy flow in an energy pyramid?
a) up
b) down
c) left
d) right
Which type of organism receives the most energy produced by producers?
a) primary consumers
b) secondary consumers
c) tertiary consumers
d) top predators
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
Where are the producers located on an energy pyramid?
a) bottom
b) top
c) second tier
d) third tier
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
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 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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