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WorksheetsMidterm Review
Total questions: 98
Worksheet time: 56mins
Name
Class
Date
1.
Which gas is created through anaerobic respiration?
a)
Methane
b)
Oxygen
c)
Carbon Dioxide
d)
HydroChloric Acid
2.
Where would a Hawk fit best in this food chain?
Hawk-Snake-Mouse-Grain
Hawk-Snake-Mouse-Grain
a)
Producer
b)
Consumer
c)
Secondary Consumer
d)
Tertiary Consumer
3.
If an animal, such as a raccoon eats berries, nuts, insects, and the occasional small rodent; which group would you categorize the raccoon into?
a)
Predator
b)
Omnivore
c)
Producer
d)
Primary Consumer
4.
Which trophic level would a herbivore occupy?
a)
First
b)
Second
c)
Third
d)
Forth
5.
dry weight of all organic matter
a)
Chemical Energy
b)
Trophic Level
c)
Ecological Effeciency
d)
Biomass
6.
Which Lake Zone has the most sunlight and life?
a)
Photic
b)
Benthic
c)
Profundal (aphotic)
d)
They all have the same light penetration
7.
During which season would you see the greatest ranges of water temperatures in a lake?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
8.
What layer of water is the warmest during the summer? often times up to 22OC
a)
Epilimnion
b)
Thermocline
c)
Hypolimnion
d)
Benthic
9.
Why is upwelling important in an aquatic ecosystem?
a)
It allows nutrients to flow to the bottom where nutrients are scarse
b)
It stops nutrient flow
c)
It allows nutrients to move from the bottom soil toward the photic zone
d)
It is not important
10.
When managing soil, why do people mix in crushed shells?
a)
To add Sulfur
b)
To add Nitrogen
c)
To add Chlorine
d)
To add Calcium
11.
How much of the suns energy is reflected by the atmosphere into space?
a)
50%
b)
34%
c)
73%
d)
8%
12.
Which order is correct?
a)
organism, Population, biosphere, community
b)
organism, community, biosphere, population
c)
ecosystem, biosphere, solar system, atom
d)
species, population, community, ecosystem
13.
This layer of the Earth Contains the ozone layer.
a)
Troposphere
b)
Hydrosphere
c)
Thermosphere
d)
Stratosphere
14.
Which is an abiotic factor for ecosystems?
a)
Bacteria
b)
Virus
c)
Phytoplankton
d)
Salinity
15.
Which of the following is not a limiting factor for aquatic ecosystems?
a)
Sunlight Penetration
b)
Dissolved Oxygen Concentration
c)
Longitude
d)
Salinity
16.
Which is not a limiting factor for terrestrial ecosystems?
a)
Longitude
b)
Latitude
c)
Fire
d)
Wind
17.
What percentage of solar radiation is absorbed by chemicals in atm = re-radiated into space
a)
64%
b)
58%
c)
46%
d)
34%
18.
_______________, Infrared radiation (heat), and a small amount of UV not absorbed by ozone reaches the atmosphere
a)
Gamma particles
b)
Visible light
c)
Alpha Particles
d)
Electromagnetic
19.
Energy warms troposphere and land by all of the following except?
a)
Evaporates water and cycles it along with gravity
b)
Generates winds
c)
A tiny fraction is captured by photosynthesizing organisms
d)
Causes the tides to move in and out
20.
The conversion of light energy to chemical energy is called_______________
a)
“gross primary production.”
b)
Net Primary Productivity
c)
Photosynthesis
21.
Of the following ecosystems, which is the least productive?
a)
Tropical Rain Forest
b)
Savanna
c)
Temperate Grassland
d)
Tundra
22.
Of the following ecosystems, which is the most productive?
a)
Deserts
b)
Estuaries
c)
Open Ocean
d)
Lakes and Stream
23.
Which is an example of a decomposer?
a)
Termites
b)
Vultures
c)
Bacteria
d)
Algae
24.
Pick the Autotroph
a)
Algae
b)
Krill
c)
Termites
d)
Fungus
25.
One organism benefits and the other isn't affected. Example a bird using a hollowed out tree cavity.
a)
amensalism
b)
commensalism
c)
competition
d)
Mutualism
26.
The driving force behind evolution. Intraspecific- When two of the same species are fighting for the same habitat, mate, resource.
a)
Amensalism
b)
Commensalism
c)
Competition
d)
Mutualism
27.
The relationship between plants and mycorrhizal fungus in the soil or a bee and a flower.
a)
Amensalism
b)
Commensalism
c)
Competition
d)
Mutualism
28.
One species benefits while the other is harmed. Example endoparasite (tapeworm) and Host.
a)
Parasitism
b)
Predation
c)
Saprotrophism
d)
Amensalism
29.
One species benefits while the other is harmed. Example an animal kills and eats another animal.
a)
Parasitism
b)
Predation
c)
Saprotrophism
d)
Mutualism
30.
An organism which absorbs or consumes their nutrients from dead or decaying plants/animals.
a)
Parasitism
b)
Predation
c)
Saprotrophism
d)
Amesalism
31.
The very cold, very deep ocean with high pressure and oxygen but low nutrient levels. Chemosynthetic bacteria are found near under water vents.
a)
Abyssal
b)
Benthic
c)
Coral Reefs
d)
Pelagic
32.
Not the deepest part of the ocean, this ocean floor is rich in nutrients. There is no light penetration so seaweed is the most common producer.
a)
Abyssal
b)
Benthic
c)
Coral Reefs
d)
Intertidal
33.
Found in warm shallow waters. They can be barriers along continents. They consist of both zooanthellae and polyps.
a)
abyssal
b)
benthic
c)
coral reefs
d)
Pelagic
34.
Where the ocean meets the land. Organisms have evolved methods to keep from being swept away.
a)
Pelagic
b)
Abyssal
c)
Coral Reefs
d)
Intertidal
35.
Open Ocean, there is an abundance of plankton here where the water mixes and many large fish and mammals.
a)
Intertidal
b)
Abyssal
c)
Benthic
d)
Pelagic
36.
The warmest and shallowest water. It has the greatest diversity of plant life and is home to many animals.
a)
Littoral
b)
Limnetic
c)
Profundal
37.
Changes in the environmental conditions beneficial to new plant communities.
a)
Allogenic
b)
Primary
c)
Progressive
d)
Secondary
38.
The colonization and establishment of pioneer plant species on bare ground. (lichen on bare rocks)
a)
Allogenic
b)
Primary
c)
Secondary
d)
Retrogressive
39.
Communities become more complex over time by having a higher species diversity and greater biomass.
a)
Progressive
b)
Retrogressive
c)
Allogenic
d)
Primary
40.
The environment deteriorates and results in less biodiversity and less biomass.
a)
Progressive
b)
Allogenic
c)
Primary
d)
Retrogressive
41.
Begins in an area where the natural community has been disturbed but topsoil remains. (example after a flood or fire)
a)
Allogenic
b)
Seconday
c)
Retrogressive
d)
Primary
42.
Which would you expect to see last in area?
a)
Annual Plants
b)
Perenials
c)
Pines
d)
Hardwoods
43.
Which of these is a primary producer?
a)
Pytoplankton
b)
Zooplankton
c)
Krill
d)
Rock Hopper Penguin
44.
Which of these is a product of photosynthesis?
a)
Carbon Dioxide
b)
Water
c)
Methane
d)
Oxygen
45.
Which of these explains why cows contribute to global warming and Methane production?
a)
Photosynthesis
b)
Aerobic Respiration
c)
Anaerobic Respiration
d)
Alcoholic Fermentation
46.
Chemicals like Mercury and DDT have the greatest effect on which organisms?
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Tertiary Consumer
47.
When one organism is harmed and the other isn't affected. Example- Citronella and mosquitoes.
a)
Amensalism
b)
Commensalism
c)
Competition
d)
Mutualism
48.
Which animal occupies the highest trophic level from this food web?
a)
Buffalo
b)
Barred Owl
c)
Prairie Dog
d)
Brown Rat
49.
At 1.3% annual growth Rate, how many years would it take for the population to double?
a)
5 years
b)
5.4 years
c)
54 years
d)
540 years
50.
If a country doubles its population in 56 years, what is its population growth rate?
a)
1.25%
b)
1.25 years
c)
125 years
d)
12.5%
51.
Which country has the highest infant mortality rate?
a)
Italy
b)
USA
c)
Mexico
d)
Kenya
52.
Which country is the most densely populated?
a)
Pakistan
b)
Brazil
c)
USA
d)
Russia
53.
A small city grows by 20 people a year, what is its doubling time?
a)
35 days
b)
35 years
c)
3.5 years
d)
350 years
54.
Which is not a density dependent factor?
a)
Competition
b)
Predation
c)
Volcanic Eruption
d)
Disease
55.
Which is not a density independent factor?
a)
Climate change
b)
Hurricanes
c)
Clear cutting forests
d)
Parasitism
56.
A ____________ is a factor that causes population growth to decrease.
a)
Limiting Factor
b)
Death
c)
Births
d)
Disease
57.
Which tragedy of the commons occurred because of clearing the forests and hunting for food?
a)
Passenger Pigeons
b)
Ocean Garbage Gyres
c)
Cod
d)
Gulf of Mexico dead zone
58.
What is the worlds population?
a)
7 billion
b)
7 million
c)
12 billion
d)
100 billion
59.
Which stage would represent post industrial times?
a)
Stage 1
b)
Stage 2
c)
Stage 3
d)
Stage 4
60.
The letter b would best represent which?
a)
Exponential
b)
Deceleration
c)
Stable
d)
Carrying Capacity
61.
The letter c would represent which of the following?
a)
Exponential
b)
Deceleration
c)
Carrying capacity
d)
Stable
62.
1950 would best represent which of the following?
a)
Industrial
b)
Post Industrial
c)
PreIndustrial
d)
Transistional
63.
Which organism would represent an R-strategist species?
a)
Oak Tree
b)
Elephant
c)
Trump
d)
Clinton
64.
Which organism would best represent a K-Strategist species?
a)
Ducks
b)
Sea Turtles
c)
Roaches
d)
Wolves
65.
Which organism would best represent a type ll species?
a)
Duck
b)
Human
c)
Roach
d)
Bear
66.
The graph on the right best represents which country?
a)
USA
b)
Mexico
c)
Nigeria
d)
India
67.
Which would be an economic issue?
a)
Religious beliefs
b)
Political Values
c)
Taxation
d)
Air Pollution
68.
People leaving a country
a)
Immigration
b)
Emigration
c)
Birth
d)
Death
69.
Golden Rice is a GMO which contains which key nutrient to help stop blindness.
a)
Chitin
b)
Beta-Carotene
c)
Amylase
d)
Vitamin C
70.
Which crops provide more than half of the caloric human nutritional needs.
a)
Rice, Barley
b)
Rice, Wheat
c)
Rice, Soybean
d)
Rice, Maize
71.
This is a protein deficiency in which victims become so emaciated that they may be less than 80% of their normal weight for their height.
a)
Autoimmune
b)
Blindness
c)
Marasmus
d)
Chronic nourishment
72.
This mining health problem is associated with lung disease from coal dust.
a)
asphyxiation
b)
asbestosis
c)
silicosis
d)
pneumoconiosis
73.
Which is not an environmental concern from mining?
a)
Arsenic contamination
b)
mercury poisoning
c)
sulfuric acid leaching into the water
d)
dihydrogen monoxide poisoning
74.
This type of fishing uses long nets that hang down in the water. These nets unintentionally trap turtles, sharks, dolphins and birds.
a)
Long line
b)
Thrawling
c)
Purse Seine
d)
Drift Net
75.
A major problem with farmed salmon
a)
high levels of PCB's
b)
They have more fat than wild caught salmon
c)
There are no problems with farmed salmon
d)
both higher levels of PCB's and they are more fatty.
76.
Which is not a Global Common
a)
Seas
b)
Air
c)
Genetically Modified Plants
d)
Minerals
77.
This author helped change the pesticide policy in the United States.
a)
Rachel Carson
b)
Aldo Leopold
c)
Theodore Roosevelt
d)
Henry David Thoreau
78.
This fire burns undergrowth and leaf litter. It kills seedling and small trees. It can protect the forest from pathogens.
a)
Crown
b)
Ground
c)
Surface
79.
Cutting and removing only the largest and best trees.
a)
Even-aged Management
b)
Uneven-aged Management
c)
High Grading
d)
Seed Tree Cutting
80.
A majority of trees are removed with the exception of a few scattered seed producing trees.
a)
Selective Cutting
b)
High Grading
c)
Shelterwood Cutting
d)
Seed Tree Cutting
81.
Which of the following type of tree harvesting is the most detrimental to the environment?
a)
Strip Cutting
b)
Selective Cutting
c)
Clear Cutting
d)
Partial Harvest
82.
Which of the following is NOT an ecosystem service provided by forests?
a)
Provide habitat
b)
Aid in nutrient cycling
c)
Sequester Carbon
d)
Recreational opportunities
83.
All of the following are ecological benefits of surface fires EXCEPT
a)
Aid in seed dispersal in certain species, such as lodgepole pines
b)
Return key nutrients back in to the soil
c)
Stimulate germination in some trees
d)
Destroys the wildlife and vegetation in an area
84.
Which of the following is a threat to forest ecosystems?
a)
climate change
b)
unsustainable logging
c)
invasive species
d)
All of these
85.
The best example of a surface fire is
a)
the type of fire that burns seedlings, small trees, and leaf litter, but not mature trees and most animals
b)
fire that is deliberately set, frequently in the tropical rainforest, after the trees have been cut down
c)
fires that occur along newly exposed edges of forest after fragmentation has occurred
d)
fire that allows dead wood, leaves, and other flammable ground litter to accumulate
86.
All the following are advantages of clear-cutting EXCEPT
a)
high profits in the short-term
b)
increased water pollution
c)
high timber yields
d)
can reforest with fast-growing trees
87.
Which of the following is a primary reason for deforestation?
a)
to graze cattle
b)
to grow crops
c)
to provide fuelwood
d)
all of these
88.
Which of the following is a negative effect of deforestation?
I. Increased flooding
II. Increased biodiversity
III. Increased soil erosion
I. Increased flooding
II. Increased biodiversity
III. Increased soil erosion
a)
I only
b)
I and II only
c)
I and III only
d)
I, II, and III
89.
Which three crops would be best suited for intercropping?
a)
oats, soybean, Maize
b)
Bananas, Rice, Wheat
c)
Wheat, Rice, oats
d)
All three are correct
90.
One problem associated with DDT
a)
Thinning of egg shells of birds like the bald eagle
b)
It is expensive
c)
It did not kill the mositoes
d)
There are no problems
91.
(review question)
What sparked the sudden increase in the human population?
What sparked the sudden increase in the human population?
a)
The Industrial Era
b)
The Agricultural Era
c)
The Green Revolution
d)
The Hunter-gatherer Era
92.
Growing more than one crop in a field, especially in alternating rows.
a)
Alley Cropping
b)
PolyCulture
c)
Interplanting
d)
Intercropping
93.
Silicate dust from rocks like Quartz and from sand cannot scar lung tissue.
a)
True
b)
False
94.
If a rectangular piece of aluminum has a base of 1 m a length of 20 m and a depth of 10 m, what is the volume of the Al?
a)
2000
b)
0.5
c)
200
d)
1,000,000
95.
Tropical forests in the Amazon Basin and other South American countries are primarily being cleared or burned for
a)
cattle grazing and soybean plantations
b)
biodiesel for motor vehicles
c)
coffee and spice plantations
d)
oil palm and paper pulp plantations
96.
A hectare (ha) is an area equal to a square that is 100 meters on each side. If the plot of land is 300 m x 300 m, how many hectares is the plot?
a)
9
b)
90
c)
900
d)
9000
97.
The first compound ammonia is converted into in the nitrogen cycle is
a)
nitrite
b)
nitrate
c)
Nitrogen (Atmospheric)
d)
Amino Acid
98.
Grasslands have a very rich and deep soil, which is an adaptation of the plants in this ecosystem?
a)
Oilly leaves
b)
Needle like leaves
c)
Deep Roots
d)
Broad leaves
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