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- 1. Multiple Choice
the sun is the source of energy on Earth
true
false
- 2. Multiple Choice
What is an energy pyramid used to show?
the layout of organism in any order seen fit
the amount of energy in the universe
the amount of energy at each trophic level
- 3. Multiple Choice
which number on the diagram below sows the level of secondary consumers?
3
2
1
- 4. Multiple Choice
in an energy pyramid, which way does the energy transfer?
from top of the pyramid to the bottom
from the bottom of the pyramid to the top
all of these
none of these
- 5. Multiple Choice
which consumer gets the most benefit from the sun's energy?
mouse
mushroom
snake
hawk
- 6. Multiple Choice
the series of steps in which a large fish that eats a small fish that has eaten an algae is a...
the food chain
the pyramid of numbers
the pyramid of biomes
food web
- 7. Multiple Choice
Which of these bests describes the relationship shown by the kelp forest ecosystem pyramid
the giant sea bass is the predator of the sheephead
the giant sea bass is the prey of the sheephead
sea urchins are the prey of the kelp
sheepheads are the predator of the giant sea bass
- 8. Multiple Choice
if birds eat insects that feed on corns, discuss which pyramid level would birds occupy.
A
B
C
D
- 9. Multiple Choice
Look at the above energy pyramid, if the producers have 7000 kcal of energy, how much energy will be available for the sheephead fish?
7 kcal
70 kcal
700 kcal
7000 kcal
- 10. Multiple Choice
in many ecosystem the amount of energy that is transferred from one trophic level to the next is about
90% to 100%
50%
33.3%
10%
- 11. Multiple Choice
As one progresses from level D to A in the pyramid the amount of stored energy is
increase
decrease
remain the same
- 12. Multiple Choice
what happens when the species has no natural predator?
the species dies
the species move
the species population grows
- 13. Multiple Choice
how does energy flow through a ecosystem?
from consumers to producers to the Sun to the atmosphere
from producers to the atmosphere to consumers to the Sun
from the Sun to producers to consumers to the atmosphere
from the Sun to consumers to the atmosphere to producers
- 14. Multiple Choice
Why are decomposers such an essential part of any food web and ecosystem?
Decomposers recycle nutrients that keep the flow of energy going.
Decomposers provide the base of all energy production in the food web
Decomposers are responsible for keeping the numbers of herbivores in check
Decomposers prevent new species from coming into the system.
- 15. Multiple Choice
Giant Sea Bass do not get as much energy from eating the same amount of food as sea urchin. Which statement best describes the reason.
Sea urchins move around less than sea bass
Sea urchins live on less energy than bass
Sea urchins are bigger than sea bass
Sea urchin use much of their energy for life processes
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