Energy Flow 1
Energy Flow 2
Food webs, food chains, Energy Pyramids
Photosynthesis/ Cellular Respiration
Vocabulary
100
List the trophic levels in order beginning with the one that has the most available energy.
Producer → primary consumer → secondary consumer → tertiary consumer
100
What energy transformation takes place when a cow digests grass?
Chemical energy is transformed into heat and thermal energy
100
What is the second level in an energy pyramid?
Primary consumer
100
This chemical process is how producers/ plants produce energy and nutrients.
Photosynthesis
100
The ultimate source of energy for all food chains/ webs........
the sun
200
The arrows in food chains/ webs represent.........
the flow of energy
200
Where are producers located at in a food web/energy pyramid?
at the bottom
200
What do you need to do in order to figure out how much energy the next level has in an energy pyramid?
get rid of a 0 every level
OR multipuly by .10
200
What happens to the solar energy absorbed by plants during photosynthesis?
It is transformed into chemical energy (glucose)
200
Described as multiple pathways displaying the flow of energy and nutrients from organism to organism.
food web
300
These organisms are able to make their own food. (2 answers)
Producers or Autotrophs
300
Is this environment what would happen if the squid population decreased?
answers may vary
300
If the bottom level of a trophic pyramid = 2,000 kcal, what would the trophic level have?
2 kcal
300
What is the main energy transformation that happens during photosynthesis?
Solar energy is converted into chemical energy
300
What type of energy do humans have to have in order to live their daily lives and exercise?
Chemical Energy
CHEMICAL ENERGY IS FOUND IN ALL FOOD
400
Which organism/trophic level has the least & most amount of energy?
Producers have the most, the highest level consumer trophic has the least
400
Energy is lost in the form of .........
Heat
400
Which way does the flow of energy through living system in an energy pyramid? (think of a pyramid and which DIRECTION does the energy flow)
UP
400
What kind of energy is necessary to initiate the process of photosynthesis?
Radiant
400
List the trophic levels in order beginning with the one that has the most available energy.
Producer → primary consumer → secondary consumer → tertiary consumer
500
Identify the error in this food web
The arrows are not pointing the right way
500
In an energy pyramid, each trophic level has this percentage of the previous level's energy........
10%
500
What happens to the amount of energy as you move UP the energy pyramid?
The energy decreases.
500
During photosynthesis, energy is stored in the form of......
Glucose
500
Described as a single pathway displaying the flow of energy and nutrients from organism to organism.
Food Chain