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WorksheetsEcosystems
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The loss of _____ that occurs at each trophic level places a limit on how many top-level carnivores a community can support
a)
water
b)
light
c)
energy
d)
CO2
2.
Herbivores are at what trophic level within an ecosystem?
a)
Level 1
b)
Level 2
c)
Level 3
d)
Level 4
3.
The total amount of energy fixed by photosynthetic organisms minus the energy used in their own metabolic activities is ___
a)
primary productivity
b)
secondary productivity
c)
net primary productivity
d)
net primary productivity
4.
Plants obtain the carbon used in the manufacture of organic compounds from ___.
a)
organic compounds in the soil
b)
carbon dioxide in the atmosphere
c)
fossil fuels
d)
carbon dioxide in the soil
5.
The tropics are warmer than the temperate regions because ___.
a)
there is less wind there to cool it.
b)
they are at a higher altitude and closer to the sun
c)
the sun's rays strike at a direct angle
d)
the sun's rays strike at
6.
Where is an estuary found?
a)
Below the top 300 meters of the sea where there is no light.
b)
Below the top 300 meters of the sea where there is no light.
c)
At the top 100 meters of the sea.
d)
It is a small temporary pond of water.
7.
Which zone in a lake is the deepest part?
a)
Profundal
b)
Limnetic
c)
Littoral
d)
Fundal
8.
The major types of ecosystems found throughout the world are known as ___
a)
biomes
b)
ecosystem
c)
communities
d)
populations
9.
___ are found halfway between the equator and poles, cover the interiors of major continents, and have been largely converted to agricultural use
a)
grasslands
b)
rainforests
c)
desert
d)
taiga
10.
Circling the globe at northern latitudes is ___, with coniferous trees and long, cold winters
a)
tundra
b)
taiga
c)
savanna
d)
coniferous forest
11.
Characterized by permafrost and low, shrubby plants, ___ can be found nearest the poles.
a)
tundra
b)
grassland
c)
taiga
d)
desert
12.
Energy from the sun is captured and converted into chemical energy by ___.
a)
herbivore
b)
carnivore
c)
producer
d)
detritivore
13.
As energy is transferred from one trophic level to the next, substantial amounts of energy are lost as heat
a)
True
b)
False
14.
What term is used to describe the process of water moving through plants and then being released into the atmosphere?
a)
transpiration
b)
percipitation
c)
fog
d)
dew
15.
When fossil fuels are burned, they release ___ into the atmosphere.
a)
carbon dioxide
b)
water
c)
nitrogen
d)
phosphorous
16.
When you eat a hamburger, you are the ___
a)
secondary consumer
b)
primary consumer
c)
producer
d)
decomposer
17.
When you eat a hamburger, you are eating at which trophic level?
a)
level 1
b)
level 2
c)
level 3
d)
level 4
18.
The moisture that travels up from the plants into the atmosphere falls back to the earth as rain
a)
true
b)
false
19.
The climate on the far side of a mountain, the side opposite the ocean is ___.
a)
very cold
b)
very wet
c)
very hot
d)
very dry
20.
When the energy flow through an ecosystem is measured at each trophic level, roughly ___ of the available energy passes from one level to the next
a)
10%
b)
20%
c)
30%
d)
40%
21.
What temperature of water is the densest, causing it to sink to the bottom of lakes?
a)
4 degrees celsius
b)
25 degrees celsius
c)
98 degrees celsius
d)
32 degrees celsius
22.
Highly productive lakes with an abundance of organic material are called ___.
a)
eutrophic
b)
oligiotrophic
c)
stratified
d)
dimictic
23.
The British Isles, like England, experience warmer weather than other areas of the same latitude because of ___
a)
the vast forests that shelter the islands from winds
b)
the vast forests that shelter the islands from winds
c)
mountain ranges protecting the islands
d)
industry causing a localized greenhouse effect.
24.
Phosphorus is an essential element in all living things and is a component of ___.
a)
ATP and DNA
b)
carbohydrates.
c)
nearly all vitamins
d)
most amino acids
25.
Which of the following is a detritivore or decomposer?
a)
algae
b)
termite
c)
fungi
d)
cow
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