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Env. Sys MidTerm Review

Total questions: 55

Worksheet time: 2hrs 35mins

Name
Class
Date
1.

Environmental science is (answer all that apply)

a)

study of how environment affects us

b)

study of how we affect our environment

c)

study of the world and universe around it

2.
An abiotic factor is...
a)
a living factor in the ecosystem such as weather
b)
a living factor in the ecosystem such as a plant
c)
a nonliving factor in the ecosystem such as bacteria
d)
a non living factor in the ecosystem such as soil
3.
Decomposition and decay of organic matter are accomplished by the action of
a)
scavengers
b)
bacteria & fungi
c)
viruses & algae
d)
green plants
4.
How would an increase in predators affect a habitat’s prey population?
a)
It would decrease.
b)
It would have no effect.
c)
It would increase.
d)
It would increase suddenly and then slowly decrease.
5.
Where does a consumer get its energy? 
a)
directly from the sun
b)
make their own food
c)
by eating producers or other consumers
d)
by making their own food or eating producers
6.
A native species and an invasive species are competing for resources within the same ecosystem. The invasive species is more likely to survive than the native species in which of the following situations? 
a)
Both the native species and the invasive species thrive on the same food source. 
b)
The native species is immune to certain pathogens in the ecosystem. 
c)
Predators prey on both native and invasive species. 
d)
The invasive species has no predators in the ecosystem.
7.
Burmese pythons are large snakes that have been introduced into the Florida Everglades ecosystem.  Burmese pythons and alligators hunt the same prey. One likely effect of the introduction of pythons is that
a)
alligators will have more prey    available
b)
pythons will become native to Florida
c)
alligator populations will decline
d)
pythons will become an endangered species
8.
A biotic factor is
a)
A living factor in the ecosystem such as weather
b)
A living factor in the ecosystem such as a plant
c)
A nonliving factor in the ecosystem such as bacteria
d)
A nonliving factor in the ecosystem like the soil
9.
What biome has a layer of ice present under the soil known as permafrost? 
a)
Taiga
b)
Tropical Rainforest
c)
Tundra
d)
Grassland
10.

Which of the following is the best example of the relationship between abiotic and biotic factors.

a)

Salmon (fish) eating an insect for food.

b)

Flowers as a food source for a bee.

c)

Water currents carrying sand downstream.

d)

The amount of light available for growing plants.

11.
Which biome has hot summers, cold winters, and deep soil for tree roots?
a)
tropical rainforest
b)
temperate deciduous forest
c)
temperate rainforest
d)
temperate grassland
12.
In which biome do trees have a cone shape adaptation to prevent snow build-up?
a)
temperate deciduous forest
b)
taiga
c)
tundra
d)
chaparral
13.
Which biome in the Midwestern USA features animals and plants adapted to frequent fires?
a)
chaparral
b)
desert
c)
temperate grassland
d)
temperate deciduous forest
14.
Which camouflage color is most common in chaparral animals?
a)
red
b)
bright blue
c)
light brown
d)
black
15.
What is the largest desert in the world?
a)
Sahara
b)
Gobi
c)
Antarctic
d)
Mojave
16.
What is the term for long term trends in temperature and precipitation?
a)
weather
b)
climate
c)
rainfall
d)
heat wave
17.
As altitude or latitude increase, temperature ______
a)
stays the same
b)
rises
c)
drops
d)
drops, then rises
18.

Despite having plenty of sun and rain, the tropical rainforest has very poor _____.

a)

biodiversity

b)

soil

c)

animal life

d)

air quality

19.
In which ecosystem can the greatest variety of organisms be found?
a)
Estuary
b)
Rainforest
c)
lake
d)
tundra
20.
Which comparison of ecosystems is true?
a)
Tundras are warmer than grasslands.
b)
Grasslands get more rain than deserts.
c)
Deserts have more plants than rainforests.
d)
Rainforests are rockier than tundras.
21.

Which of the following is an example of climate?

a)

A record-breaking hot day in the summer

b)

Three hurricanes during one month

c)

An increase in average temperature over decades

d)

Hundred-year floods

22.
The ability to conserve water is an important adaptation in which biome?
a)
Coniferous Forest
b)
Deciduous Forest
c)
Desert
d)
Tundra
23.
Fresh water referrers to which of the following
a)
oceans, rivers, lakes
b)
ponds, rivers, oceans
c)
lakes, ponds,  streams
d)
streams, lakes, oceans
24.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
25.
An animal that kills another animal for food is called
a)
prey
b)
predator
c)
producer
d)
herbivore
26.
Where an animal lives is called the animal's ______
a)
wildlife
b)
habitat
c)
environment 
d)
carnivore 
27.

succession that occurs in an area with no soil

a)

ecological succession

b)

primary succession

c)

secondary succession

d)

pioneer species

28.

succession that occurs in an area where soil is already present

a)

ecological succession

b)

primary succession

c)

secondary succession

d)

pioneer species

29.

the first organisms that appear in an ecological community

a)

ecological succession

b)

primary succession

c)

secondary succession

d)

pioneer species

30.
Which of the following are more likely to be the pioneer organisms on an area recently disrupted by a forest fire? 
a)
shrubs
b)
trees
c)
grasses
d)
lichens
31.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Lichens → tree → shrubs→Grasses
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
32.
A small bird lands on a hippo and eats the ticks off the hippo's back.  This helps the bird by giving it an easy meal and helps the hippo by removing annoying pests from its skin.  Which type of symbiotic relationship do the bird and hippo share?
a)
parasitism
b)
mutualism
c)
commensalism
33.
Define the following:  The quality of not being harmful to the environment or depleting natural resources, and supporting long-term ecologic balance.
a)
Environment
b)
Economy
c)
Carbon footprint
d)
Sustainability
34.
The current rate of species extinction is
a)
slower than at any other time in this century.
b)
because of the actions of humans.
c)
because of animals refusing to mate.
d)
the result of natural environmental processes.
35.
What is the best term for a chemical that kills organisms that are unwanted and cause economic damage?
a)
insecticide
b)
pesticide
c)
herbicide
d)
pathogens
36.

A complex network of many food chains in a single ecosystem; illustrates the path of nutrients and transfer of energy

a)

Consumer

b)

Food Web

c)

Cells

d)

Biochemical Cycle

37.

What is species diversity?

a)

the different animals in an area

b)

the different habitats in an area

c)

the different plants in an area

d)

the different living things (plants and animals) in an area

38.
Why is the loss of biodiversity a threat to the world?
a)
Loss of biodiversity is no threat
b)
All organisms depend on one another for survival
c)
Loss of biodiversity actually helps the world
d)
Loss of biodiversity does not affect us
39.
Tropical rainforests are threatened by
a)
Deforestation
b)
Not threatened at all
c)
A decrease in air
d)
A decrease in food
40.

A community in a pond would include

a)

Fish only

b)

Fish and water only

c)

Fish and sun only

d)

Fish, insects, protists, and many other aquatic organisms

41.

Which of the following most likely supports the most sustainable ecosystem?

a)

The habitat with the greater number of green plants

b)

The habitat with the greatest variety of living things

c)

The habitat with the warmest average temperature

d)

The habitat with the greatest number of consumers

42.

Which of the following is NOT a way in which humans are destroying habitats?

a)

Gathering rain water to use to water crops

b)

Clearing out prairies to grow a single crop

c)

Cutting trees to use as toilet paper

d)

Building a shopping mall with a large parking lot

43.

Which of the following is NOT a cause for the current decline in the biodiversity of our ecosystem?

a)

over-exploitation of resources

b)

planting new forests to replace trees

c)

pollution of animal's water sources

d)

increasing human population

44.

The threat to biodiversity that occurs when the homes of different species are destroyed

a)

pollution

b)

habitat destruction

c)

over - exploitation

d)

climate change

45.

When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called

a)

pollution

b)

habitat destruction

c)

overexploitation

d)

climate change

46.

The excessive use of species that have economic value is known as

a)

pollution

b)

habitat destruction

c)

over - exploitation

d)

climate change

47.

The two most important factors in a biome are

a)

temperature and rainfall

b)

rainfall and organisms

c)

organisms and temperature

48.

Disease is an example of a ______________ health risk

a)

Chemical

b)

Biological

c)

pharmaceutical

49.

Your ecological footprint is expressed in _______________.

a)

planets

b)

meters

c)

Earths

50.

What are considered "the commons"

a)

Common house hold items like knifes, spoons, and forks.

b)

A renewable resource owned by no one and available for use by anyone at little or no charge

c)

A field where college students can sit outside in between classes

51.

Which of these is not an example of a commons?

a)

The air

b)

The ocean

c)

Privately owned farms

52.

Sustainability

a)

The process of maintaining resources so they are not depleted or permanently damaged.

b)

The ability to read minds

c)

The ability to save resources for years and years

53.

What is overfishing?

a)

The removal of bad fish from a environment

b)

The removal of fish from water so fast that the fish can not replace themselves in time.

c)

The removal of dead fish from a body of water

54.
This is a wetland marsh composed of a mixture of both salt and freshwater (brackish water). 
a)
estuary
b)
fen
c)
bog
d)
river
55.

wetlands are good for everything EXCEPT...?

a)

they help filter dirty water

b)

they provide a habitat for many plants and animals

c)

they help control flooding

d)

throwing old tires in

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