Tropical Rain Forests are threatened by

deforestation and the trade of rainforest animals and planst

are ecosystems where both fresh and salt water mix

often formed on the dry side of mountain ranges

One disadvantage of wind energy is

the difficulty of transporting the energy from its source

Most pollutants that enter estuaries break down over time, yet they are still a problem because

it is the volume of the pollutants more than the time factor

a forest biome w/ coniferous trees, pine, fir, and spruce

Grasslands, such as the prairies of North America,

threatened by soil erosion due to plowing and overgrazing

A geothermal power plant can be used to generate electricity

in areas where deposits of water are heated inside the earth

A geothermal power plant gets energy by

pumping heated water or steam from rock formations

Chaparral plants usually survive fires because

they can resprout from small amounts of plant matter

The arragement of organisms in the open ocean is determined by the

amount of nutrients and sunlight available

Oil and natural gas result from

decay of tiny marine organisms that accumulated the ocean

If you visited a savanna, you would likely see

large herds of grazing animals like rhinos, gazelle, giraffe

Coral reefs are intricately shaped rocklike structures that are formed as a result of

the secretion of calcium carbonate by tiny marine animals

are usually described by their vegetation

The energy consumed by organisms

can be stored as fats and sugars

An estuary functions as a mineral trap due to

the mixing action of river water and ocean water

Which of the following best describes a tropical rain forest?

species of animals with specialized ways of survivng

Which of the following is an example of secondary succession?

growth of plants after a forest is destroyed by fire

Electric generators work by

converting mechanical energy into electrical energy

Which of the following is an adaptation of coniferous trees in the taiga?

They have a unique shape to accumulate snow

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Environmental Science Practice EOQA 3

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Environmental Science EOQA 3 Benchmark Practice Test Ben-Hill

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Questions 56

Answers

1
Tropical Rain Forests are threatened by
thinning of the soil
decrease in the rainfall at the equator
a decrease in the temperature at the equator
deforestation and the trade of rainforest animals and planst
2
Swamps are commonly found on
bottoms of ponds or lakes
rocky hillsides
forest clearings
flat, poorly drained land
3
Estuaries
are always freshwater ecosystems
prevent the development of salt marshes
are always saltwater ecosystems
are ecosystems where both fresh and salt water mix
4
Which two kingdoms contain organisms that can use energy from the sun to make food?
eubacteria and plants
protists and plants
fungi and protists
plants and animals
5
Deserts are
often formed on the dry side of mountain ranges
never located in cooler climates
found only in North America
covered with sand and have no plant life
6
One disadvantage of wind energy is
wind turbines generate only a small amount of energy
the difficulty of transporting the energy from its source
wind turbines are not cost-effective
large amounts of farmland are needed for the turbines
7
What causes most coastal pollution in the United States?
overfishing
temperature changes
industrial wastes and sewage
lakes and ponds
8
Which of the following would you expect to see in the emergent layer of the tropical rainforest
epiphytes, small burrowing animals, and toads
grasses, insects, and small insects
eagles, bats, and snakes
lichen, moss, and dwarf plants
9
Which of the following is a threat to the coral reef?
all of the above
pesticides
sewage
oil spills
10
Most pollutants that enter estuaries break down over time, yet they are still a problem because
the pollutants break down into still more dangerous toxins
it is the volume of the pollutants more than the time factor
the pollutants eventually concentrate in the ocean
none of the above
11
Two threats to ocean ecosystems are
overfishing and entagelment of marine mammals in nets
all of the above
nutrient runoff and industrial waste
sewage and algal blooms
12
If a bird eats the insect, how much energy goes to the next trophic level?
50%
1%
10%
90%
13
What are the two main types of freshwater wetlands?
lakes and ponds
littoral and benthic zone
rivers and streams
marshes and swamps
14
Renewable energy is energy from sources that
will take years to deplete
are constantly being foremed
humans can manufacture
were once living organisms
15
The energy in most ecosystems comes from
wind
all of the above
green plants
the sun
16
Taiga is
a forest biome w/ coniferous trees, pine, fir, and spruce
a dry, rocky biome found in South America
found mostly in Africa
a cold, treeless, desert-like biome found near the poles
17
Grasslands, such as the prairies of North America,
support a rich layer of dense grasses due to high rainfall
threatened by soil erosion due to plowing and overgrazing
support no animal life
are suitable for corn and wheat, but not for soybeans
18
Which of the following is responsible for making nitrogen usable by organisms?
decomposing bacteria
conversion of nitrogen into carbs by photosynthesis
absorbtion of nitrogen into water
nitrogen-fixing bacteria
19
What type of succession occurs after a natural process such as a volcanic eruption or flood?
climax community
primary succession
old-field succession
secondary succession
20
Which of the following plants is likely to be a pioneer species?
oak tree
shrub
grass
lichen
21
Where would an ecologist be least likely to go to study primary succession?
the Amazon Rain Forest
abandoned parking lot in NYC
a gravel-filled valley that had been covered by a glacier
a new island formed from a volcanic eruption
22
The types of organisms found in a pond or lake depend on
the temperature of water
the amount of sunlight available
all of the abve
the presence of nutrients
23
A geothermal power plant can be used to generate electricity
in areas where deposits of water are heated inside the earth
in areas where the ground stays warm throughout the year
Both A and C
anywhere in the US
24
What adaptation prevents phytoplankton from sinking into deep waters?
streamlined body shape
flagella
tentacles
whiskers
25
A geothermal power plant gets energy by
circulating fluid underground
using methane from decomposition
holding water behind a dam
pumping heated water or steam from rock formations
26
Chaparral plants usually survive fires because
water is stored in their small, leathery leaves
they can resprout from small amounts of plant matter
they contain oils that act as a natural fire extinguisher
they have deep root systems
27
In developing countries, you are most likely to find biomass used
for manufactoring
as a source of hydropower
for heating and cooking
to generate electricity
28
Which gas makes up 78% of the atmosphere?
oxygen
nitrogen
hydrogen
carbon dioxide
29
The arragement of organisms in the open ocean is determined by the
increase in salt content from shallow to deep waters
size of the benthic zone, where photosynthesis occurs
amount of nutrients and sunlight available
distribution of zooplankton
30
Oil and natural gas result from
decay of tiny marine organisms that accumulated the ocean
the decay of plants that lived in swamps years ago
the migration of complex carb. molecules to nonporous rock
the burning of sulfur, low grade uranium
31
If you visited a savanna, you would likely see
a dense forest
a coastal ecosystem
snow and ice
large herds of grazing animals like rhinos, gazelle, giraffe
32
Which of the following is a major source of biomass fuel in developing countries?
both wood and dung
corn
dung
wood
33
The deforestation of the rain forests may cuase climate change which, in turn, affect
acid precipitation
flooding
smog
habitat destruction
34
Which of the following adaptations are used by animals of the Arctic Tundra?
all of the above
geese and caribu migrate to avoid predators
Rodents burrow underground for winter
deer and fox use seasonal camouflage
35
Adaptations demonstrated by plants in tropical rain forests include
trees with buttresses
orchids and vines that use tall tree trunks for support
All of the above
herbs with large flat leaves in the understory
36
Coral reefs are intricately shaped rocklike structures that are formed as a result of
volcanic activity that is common in tropical marine eco.
minerals that are washed from land ecosystems and build up
the secretion of calcium carbonate by tiny marine animals
the gradual accumulation and fusion of skeletons of fish
37
Estuaries are very productive ecosystems because they recieve fresh nutrients from
marshes and swamps
rivers and oceans
lakes and ponds
streams and springs
38
Which organism produces most of the food in an aquatic ecosystem?
barnicle
phytoplankton
fish
zooplanton
39
Which of the following describes soil and temperature in an ecosystem?
abiotic factors
biotic factors
unncessary factors
selection factors
40
Which organism is likely to be at the bottom trophic level of a food chain?
killer whale
krill
leopard seal
algae
41
Adaptations of desert animals that help them survive in the hot dry desert include
searching for food at night
thin skin that readily absorb water
large, bulky size to retain body heat on cold nights
searching for water at midday
42
What type of vegetation would you expect to find on an abandonded farm for 150 years?
shrubs
young pine trees
short grasses
tall, mature oak forest
43
Why doesn't photosynthsis occur in deep ocean water?
There is no sunlight
The salinity level of the water is too high
The water temperature is too cold
There are not enough nutrients
44
Biomes
exist in limited regions of the world
are usually described by their vegetation
all of the above
contain two ecosystems hense the name "biome"
45
The energy consumed by organisms
undergoes magnification in food chains
can be stored as fats and sugars
is not partially lost during digestion
remains constant at all trophic levels
46
An estuary functions as a mineral trap due to
the mixing action of river water and ocean water
its great depth and particulary sticky sediment
its storing of pesticides from ag. runoff
the filtering action of bottom
47
Which of the following best describes a tropical rain forest?
species of animals with specialized ways of survivng
dense, thick soil that supports plants on the forest floor
very few species of trees, due to poor soil
plants and animals that are very similar
48
The majority of marine organisms are found in
shallow, coastal waters
none of the above
deep ocean waters
fisheries
49
Which of the following is an example of secondary succession?
appearance of weeds in cracks in a concrete surface
pioneer plants begin to grow after glacial melting
growth of plants after a forest is destroyed by fire
breaking down of bare rock by fungi and mosses
50
Electric generators work by
converting mechanical energy into electrical energy
concerting oil into electricity
rubbing copper against a substance
turning turbines in a dam
51
Which of the following is an adaptation of coniferous trees in the taiga?
they have leaves that retain water, due to shape
They have a unique shape to accumulate snow
all of the above
they have a shallow root system, due to acidic soil
52
The organisms most likely to belong to the same species are
organisms in a pond
bacteria inside a person's body
birds in a forest
people at a football game
53
Which kind of organism obtains energy only from producers?
herbivores
all of the above
omnivores
decomposers
54
What term is used to refer to the many feeding relationships that are possible in an ecosystem?
energy transfer
feed chain
energy pyramid
food web
55
The tundra
is too cold to support insect life
is resistant to environemental damage b/c it is frozen
has a layer of soil that is permanetly frozen beneath soil
All of the above
56
Succession is possible because
it is a rapid and chaotic and rapid process
new species make the enviornmental less suitable
climates change over time
exsisting plants reproduce quickly

Environmental Science Practice EOQA 3 Flashcards | StudBud