WorksheetsEco 10QC - Flow of Energy
Total questions: 11
Worksheet time: 7mins
Name
Class
Date
1.
Energy pyramids get small at the top to represent what?
a)
Energy is lost at each trophic level as it flows through a food chain
b)
Organisms are smaller as you look down the food chain
c)
Each higher level consumer has fewer choices to feed on
d)
All choices are correct
2.
Which organism would belong in the SECOND level of an energy pyramind?
a)
sun
b)
grass
c)
deer
d)
coyote
3.
How much energy is passed on to the next trophic level in a food chain?
a)
100%
b)
90%
c)
25%
d)
10%
4.
What happens to the energy from these materials as they decompose?
a)
There is no energy in dead organisms.
b)
No energy is lost as the materials decompose
c)
The energy stays in the compost bin.
d)
Some of the energy is released as heat.
5.
Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?
a)
Beluga Whale
b)
Polar Bear and Arctic Hare
c)
Ptarmigan and Arctic Bumble
d)
Lichens and Shrubs
6.
If the original amount of energy in an energy pyramid is 10,000 J what amount is left for the apex predators?
a)
10 J
b)
1 J
c)
100 J
d)
1000 J
7.
How does energy flow through ecosystems?
a)
Consumers -> Producers -> Decomposers -> the Sun
b)
The sun -> Consumers -> Producers -> Decomposers
c)
The Sun -> Producers -> Consumers -> Decomposers
d)
Producers -> The Sun -> Decomposers -> Consumers
8.
A student watches a frog eat a fly. What has the student observed?
a)
Transfer of Energy
b)
Increase in Energy
c)
Production of Energy
d)
Competition for Energy
9.
In which situation does the consumer receive the greatest amount of solar energy?
a)
A horse feeding on clover
b)
A frog feeding on dragonflies
c)
A female mosquito
d)
A vulture feeding on the carcass of a raccoon
10.
Which substances are cycled between living and nonliving environments?
a)
Water, nutrients, and carbon dioxide
b)
Water, nitrogen, carbon dioxide, and oxygen
c)
Water, nitrogen, nutrients, and oxygen
d)
Water, nutrients, carbon dioxide, and oxygen
11.
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
100 %
