WorksheetsEcology Unit
Total questions: 32
Worksheet time: 27mins
Name
Class
Date
1.
Why are trees considered natural resources?
a)
Humans use them to produce paper, lumber, fuel, and other products.
b)
They are an important source of firewood for campfires.
c)
They grow back after they’re cut down.
d)
They provide valuable shade that no other resource can provide
2.
Which of these is a factual statement about natural resources?
a)
As soon as they’re available, everyone should drive solar-powered cars.
b)
Fuel cells are the most important technology we’ve ever developed.
c)
Someday, humans will run out of fossil fuels.
d)
Using wind energy will make us feel better about ourselves.
3.
Which is the most likely reason why soil erosion can be a major problem?
a)
A region’s agriculture can be destroyed if the soil erodes.
b)
Dangerous, radioactive elements exist under the soil.
c)
Soil contains expensive minerals.
d)
Soil is a non-renewable resource.
4.
What is the key difference between renewable and non-renewable resources?
a)
All non-renewable resources pollute the environment; renewable resources do not.
b)
Non-renewable resources exist in limited quantities; renewable resources do not.
c)
Non-renewable resources exist in unlimited quantities; renewable resources do not.
d)
Non-renewable resources must be refined before humans can use them; renewable resources do not.
5.
How does recycling conserve natural resources?
a)
It allows us to re-process products instead of manufacturing new ones.
b)
It prevents garbage from being burned.
c)
It saves on the amount of fuel used by garbage trucks.
d)
It saves on the amount of plastic used to manufacture garbage bags.
6.
Why is wind energy considered a renewable resource?
a)
It can be found in a variety of places.
b)
It’s completely non-polluting.
c)
It’s unlikely that we’ll run out of wind.
d)
The wind can blow incredibly fast.
7.
Soil types are based on the make up of different proportions of the following except ____.
a)
Silt
b)
Sand
c)
Minerals
d)
Clay
8.
Which of the following is necessary for the production of hydroelectric power?
a)
Wind exposure
b)
Heat from below the Earth's crust
c)
Exposure to sunlight
d)
Access to a river
9.
Which energy source is considered a nonrenewable resource?
a)
Wind
b)
Solar
c)
Moving water
d)
Fossil fuel
10.
Which of the following is a renewable resource?
a)
Copper metal
b)
Natural gas
c)
Diamond
d)
Soil
11.
A resource that is used at a quicker rate than it is replaced is said to be ____.
a)
Depleted
b)
Nonrenewable
c)
Preserved
d)
Conserved
12.
What is the pH of an acid?
a)
0-7 on a pH scale
b)
7 on a pH scale
c)
7-14 on a pH scale
13.
What is the pH of a base?
a)
0-7 on a pH scale
b)
7 on a pH scale
c)
7-14 on a pH scale
14.
All of the following are consider abiotic factors except ____.
a)
Bacteria
b)
Soil
c)
Sunlilght
d)
Water
15.
All of the following are consider biotic except ____.
a)
Fungi
b)
Plants
c)
Mammals
d)
Temperature
16.
Level one is considered the producer’s ______________. [
a)
Energy Flow
b)
Food Chain Order
c)
Food Web Order
d)
Trophic Level
17.
As you move from up level to level in an energy pyramid, energy ____.
a)
Decreases
b)
Increases
c)
Is destroyed
d)
Stays at the same level
18.
The most amount of energy available in the energy pyramid above is with ____.
a)
Primary consumers
b)
Producers
c)
Secondary consumers
d)
Top consumers
19.
The number of individuals in a population is the population's ____.
a)
Carrying capacity
b)
Density
c)
Size
d)
Spacing
20.
Drought, fewer plants, and fewer nesting sites are examples of ____ factors.
a)
Abiotic
b)
Biotic
c)
Carrying
d)
Limiting
21.
In a food chain, which are the most efficient users of solar energy?
a)
Carnivores
b)
Decomposers
c)
Herbivores
d)
Producers
22.
What is at the base of all ecological pyramids?
a)
Consumers
b)
Decomposers
c)
Producers
d)
Scavengers
23.
A symbiotic relationship in which both species benefit is __________________.
a)
Commensalisms
b)
Mutualism
c)
Predation
d)
Parasitism
24.
Which of the following puts the following terms in order from smallest group to the largest?
a)
Community, organism, population, ecosystem
b)
Ecosystem, community, population, organism
c)
Organism, population, community, ecosystem
d)
Population, ecosystem, organism, community
25.
Which of the following would you observe if you were trying to establish a relationship between an abiotic and biotic factor?
a)
The number of fish in a stream compared to the size that the fish grow.
b)
The number of plants on the shoreline producing shade and the temperature of the water.
c)
The temperature of the air and the temperature of the water.
d)
The temperature of the water and the dissolved oxygen content.
26.
All ecosystems are made up of biotic and abiotic factors.
a)
True
b)
False
27.
Permeability is how freely water flows in soil.
a)
True
b)
False
28.
The zone of saturation is the farthest distance in ground that water can travel and NOT move PAST.
a)
True
b)
False
29.
The earth is composed of what percentage of fresh water?
a)
3%
b)
22%
c)
71%
d)
97%
30.
Which of the following terms describes aspects of an aquifer?
a)
nonporous, impermeable, groundwater
b)
nonporous, impermeable, surface water
c)
porous, permeable, groundwater
d)
porous, permeable, surface water
31.
The majority of the earth’s fresh water is “locked” away ____.
a)
Under the ground.
b)
In oceans.
c)
In clouds.
d)
In icecaps and glaciers.
32.
Which of the following statements best matches the graph?
a)
The less permeable the soil, the less surface water runoff
b)
The less permeable the soil, the more surface water runoff
c)
The more permeable the soil, the more runoff
d)
There is no relationship between soil permeability and surface water runoff
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