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Duplicate of Duplicate of Environmental Science Semester One Final review Flashcards | StudBud
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Duplicate of Duplicate of Environmental Science Semester One Final review
Duplicate of Duplicate of Environmental Science Semester One Final review
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Environmental science semester 1 final
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
The equation for determining population growth is
(birth s+ immigration) – (deaths + emigration).
(births + immigration) + (deaths – emigration)
(births + deaths) – (immigration + emigration
(births + emigration) + (deaths – immigration)
2
Refer to the illustration. Leopard seals are
carnivores.
omnivores
producers
herbivores
3
In the graph, the population size is
undergoing cyclic change
remaining stable
increasing.
decreasing
4
In the graph the solid line=precipitation the dashed line=temperature What conditions are in A?
hot
moist
freezing
dry
5
What function does carbon dioxide play in the Earth's atmosphere?
it provides gas for humans to breathe
It provides liquids for animals to drink
it provides protection from the sun's radiation
It keeps Earth warm through the greenhouse effect
6
Refer to the illustration. During which time period are the birthrate and death rate equal?
period B
period D
period C
period A
7
Refer to the illustration. The process shown in the diagram is known as
oligotrophy
symbiosis
competitive exclusion
succession
8
The number of organisms that an environment can support is called the
demography
carrying capacity
.growth rate
life expectancy
9
What date does school resumes after winter break?
January 11th
January 16th
January 4th
January 9th
10
Tigers living on a Siberian mountain are split from other mtns where tigers could live This is
habitat fragment
mass extinction
mass extirpation
invasive species
11
A natural resource that is naturally formed much more slowly than we use it is called
sustainable
ecological
nonrenewable
renewable
12
An idea must explain a phenomenon and have undergone rigorous testing to be accepted as a
prediction
ethic
theory
hypothesis
13
Tigers living in warm climates have thinner coats than tigers living in cool climates. This is:
genetic diversity
general diversity
species diversity
ecosystem diversity
14
What is the term for organisms, including plants and algae, that create their own food?
decomposers
legumes
producers
consumers
15
Ecologists use similarities between ecosystems to classify them into broad categories called:
littoral zones
benthic zones
estuaries
biomes
16
Which statement accurately describes effective scientists?
They prefer to deal with questions that involve opinions
They are willing to believe, even if their is no evidence
Are open to results that refute a previously accepted idea
They usually accept what they hear from others
17
Refer to the illustration. The photosynthetic algae are
parasites
consumers
decomposers.
producers
18
Water that returns from the atmosphere to Earth's surface as rain or snow is called:
evaporation
transpiration
precipitation
condensation
19
a food web made of of grass, mice, deer, coyotes, and hawks, which has the greatest biomass?
hawks
mice
grass
coyotes
20
Refer to the illustration. The diagram represents the decrease in
diversity of organisms between lower and higher levels
trophic levels
the number of organisms from higher to lower trophic levels
available energy from lower to higher trophic levels
21
Results published in _ are most respected in science b/c they have rigorous evaluation process
web journals
peer-reviewed journals
weekly newspapers
news magazines
22
A person holding a sign in protest against cutting down trees in a forest would be considered
environmentalist
peer reviewer
ecological footprint
environmental scientist
23
A landslide causes a mountainside leaving bare rock, in the following years the area will have:
secondary succession
primary succession
a climax community
tertiary succession
24
The graph represents
carrying capacity.
Limiting factors
logistic growth
exponential growth
25
Nutrients circulate endlessly throughout the environment in complex cycles called:
biogeochemical cycles
respiration cycles
eutrophication cycles
photosynthesis cycles
26
Whichof these would have the greatest impact in the shortest amount of time on the carbon cycle
Forest fire
Coal burning factory
Weathering of rock
Volcano
27
Why is environmental science considered an interdisciplinary field?
It borrows techinques from numerous subjects
It is a new form of science that is still being developed
It studies environmentas from all across the planet
It is more of a social movement than a scientific study
28
Dad-to-day conditions in Earth's atmosphere, such as "sunny and humid" describe:
weather
biome
climatographs
climate
29
What biome would have the highest net primary production?
savanna
desert
coral reefs
boreal forest
30
What phenomenon has caused some organisms to move toward the poles or to higher altitudes?
habitat fragementation
warming temperature
invasive species
pollution
31
Refer to the illustration. The diagram shows a(n)
food web
community
energy pyramid
population
32
Refer to the photo. The relationship shown in the photo is
parasitism
competition
mutualism
commensalism
33
At least half of the world’s species of land organisms live in a
tropical desert
temperate forest.
temperate savanna
tropical rain forest.
34
Which is an accurate assumption about why there are no more than 4 trophic levels
Fifth level consumers are also herbivores
The 4th do not have enough energy to support another level
a. Carnivores do not eat other carnivores
Fifth level consumers are always decomposers
35
When the environment changes far too quickly for an population to adapt, what will occur?
speciation
evolution
extinction
genetic drift
36
What products are created by the process of photosynthesis?
carbon dioxide and water
the sun's light and energy
phosphorus and nitrogen
oxygen and carbohydrates (glucose)
37
the first decade, the wolf population grows exponentially,then, the population growth slows.
limiting factors
carrying capacity
exponential growth
logistic growth
38
When energy is transferred between trophic levels, the amount of available energy lost is about
90%
10%.
25%
50 %
39
The basic units of matter the smallest units that maintain the chemical properties of a element
lipids
atoms
compounds
molecules
40
A human-centered view of our relationship with the environment is known as
biocentrism
environmentalism
anthropocentrism
ecocentrism
41
Refer to the illustration . Level A is composed of
producers
carnivores
omnivores.
herbivores
42
In the years immediately after a fire, a forest will experience
secondary succession
tertiary succession
a climax community.
primary succession.
43
In spring, birds go north to the Arctic to breed, & in the fall go south again for the winter.
emigration
migration
immigration
population growth.
44
To help them survive in the tundra caribou have various adaptations such as:
a diet that consists mostly of deciduous tree leaves
the ability to hobernate
thin coats of fur to prevent overheating
wide hooves for travel on mud and snow
45
An example of a density-dependentlimiting factor is
an avalanche
a sudden flood
the amount of available food
a decrease in water due to drought.
46
Refer to the illustration. How much energy is available to the organisms in level C?
10 percent of the energy in level B
all of the energy in level A plus the energy in level B
90 percent of the energy in level B
all the energy in level A minus the energy in level B
47
The American Rev began in 1776. What was the approximate world population at that time?
500 thousand
2 billion
1 billion
1 million
48
Which of the following is an example of a renewable natural resource?
crude oil
coal
copper
wave energy
49
What is one of the key differences between scientific theories and hypotheses?
Theories are tested by experiments, hypotheses are not
Hypotheses are subject to peer review, theories are not
Hypotheses can be proven wrong, but theories cannot
Theories=broader explanations, hypothesis=narrower subjects
50
High levels of biodiversity tend to:
have little or no effect on ecosystems
decrease an ecosystem's resistance
make an ecosystem less resilient
increase the stability of an ecosystem
