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WorksheetsSemester 1 Review
Total questions: 56
Worksheet time: 45mins
The study of environmental science primarily considers
interactions among human systems and those found in Earth
the effect of human systems
abiotic factors that influence the state of our environment
factors that affect global climate change
An ecosystem is a location on Earth that includes
only biotic components
only abiotic components
interacting biotic and abiotic components
positive and negative feedback loops
Place the ecology levels of organization in proper order (smallest to largest)
organism > population > community > ecosystem > biosphere
community > organism > ecosystem > biosphere > population
organism > community > biosphere > population > ecosystem
population > biosphere > ecosystem > community > organism
A tapeworm lives in the small intestines where it feeds and grows, robbing the human of essential nutrients. This is a _____ type of relationship.
Commensalism
Parasitism
Symbiotic
Mutualism
The cattle egret follows herds of cattle and eat the insects that the cattle stir up as they move through the grassland. The cattle appear to be unaffected by the egrets. This is a _____ type of relationship.
Commensalism
Parasitism
Symbiotic
Mutualism
Which is a biotic factor?
producers
pH
energy
humidity
What is a herbivore?
receives energy from the sun
only eats meat
only eats plants
eats both plants and meat
A keystone species is best defined as
an organism that eats all others
an organism that runs the fastest
an organism that keeps the food web stable
an organism that has the most advantages
Which biome has warm temperatures, high precipitation, and little seasonal variation due to its location near the equator?
Boreal forest
Tropical rainforest
Woodland/shrubland
Subtropical desert
What is an omnivore?
receives energy from the sun
only eats meat
only eats plants
eats both plants and meat
What is a producer?
an organism that gets energy from eating other organisms
an organisms that uses sunlight to make its own food
an organism that gets energy from eating dead organisms, non-living material or waste
an organism that uses chemical energy to make its own food
What is a herbivore?
an animal that gets energy from eating other animals
an organism that gets energy from eating only plants
an animal that gets energy by eating both plants and other animals
an animal that eats only herbs
What is a carnivore?
an animal that gets energy by eating other animals
An animal that gets energy by eating only plants
an animal that gets energy by eating both plants and animals
an animal that makes its own energy through photosynthesis
What does a food web represent?
All connections of energy flow throughout all organisms in a habitat.
The specific ways that mutualism is carried out.
A single pathway or energy flow between organisms.
How carnivores get their food.
Biodiversity is measured using two criteria. They are...
Species evenness and habitat area
Species richness and ecological relationships
Species richness and evenness
Species evenness and NPP produced
The first species that reappear after a major disruption to an ecosystem are known as...
Primary consumers
Reintroduced species
Endangered Species
Pioneer species
Primary succession would occur in all the following areas except..
bare rock
after a volcanic eruption
sandy dunes
an open field
The abiotic conditions under which a species can survive and reproduce is called its
range of tolerance
realized niche
environmental distribution
fundamental niche
The best way to preserve biodiversity is to...
stop using all plastics
protect and maintain habitats
reduce our impact on pollution
lower our need for poultry and beef
Which of the following is true about island biodiversity?
Small islands are more likely to have more immigrated species
Small islands have more biodiversity
Small islands have more species
Small islands have less resources
Which of the following is the definition of an anthropogenic change?
A change caused by climate
A change caused by humans
A change caused by Anthropology stores
A change caused by animals
Which of the following statements is true?
Biodiversity decreases with increased sunlight
Biodiversity decreases as you move away from the equator
Biodiversity decreases as you decrease in altitude
Biodiversity increases as you go further down in the oceans
True or False: Mass extinctions are common.
True
False
How do adaptations arise in populations?
Random, genetic mutations produce new, advantageous traits
Natural selection kills off weak organisms
Environmental changes make old traits obsolete
Individuals learn new behaviors and develop new traits in order to survive
This type of species has many offspring with little to no parental care.
k-selected
r-selected
s-selected
j-selected
humans, polar bears, and elephants are an example of
r-selected species
k-selected species
j-selected species
A J-curve represents
exponential growth
logistic growth
no growth
Which type of species would you expect to have a s-curve graph?
k-selected
r-selected
s-selected
Which of the following statements about total fertility rate is correct
TFR is equal to the crude birth rate minus the crude death rate.
TFR is the average number of children each woman must have to replace the current population.
TFR is generally higher in developed countries than in developing countries
TFR is equal to the growth rate of a country
TFR is the average number of children each woman will give birth to during her childbearing years.
At current growth rates, which country will probably be the most populous in the world after 2050?
China
Brazil
India
Indonesia
United States
Using the rule of 70, a population growing at 10% would double in
7 years
10 years
17 years
15 years
not enough information to tell
Population size can be estimated using the formula
CBR + Immigration + CDR + Emigration
CBR + Immigration – CDR – Emigration
CBR + Immigration + CDR – Emigration
CBR – Immigration – CDR – Emigration
CBR – Immigration + CDR – Emigration
What point on the graph represents the carrying capacity?
A
B
C
D
What is the maximum number of individuals of one species that the environment can support?
overload capacity
top capacity
population
carrying capacity
Which factor would be considered density independent?
an intestinal parasite
a fatal virus
a severe drought
severe overcrowding
What layer of the atmosphere does weather occur?
Thermosphere
Mesosphere
Stratosphere
Troposphere
What layer of the atmosphere absorbs harmful Ultraviolet Radiation?
Thermosphere
Mesosphere
Stratosphere
Troposphere
The image associated with this questions is an example of what natural phenomena?
La Nina
El Nino
Hadley Cells
Coriolis Effect
The primary cause of Earth's seasons is the
constant tilt of Earth's rotational axis with respect to the plane of its orbit around the Sun
changing distance of Earth from the Sun at different times of the year
periodic wobbling of Earth on its axis of rotation
changing relative positions of Earth, its Moon, and the Sun
The Sun’s radiation provides the energy for all of the following EXCEPT
plant growth
ocean currents
hurricanes
plate tectonics
Which of the following correctly describes the length of day at the Tropic of Cancer at the time of year shown in the diagram?
The Northern Hemisphere is tilted away from the Sun so daylight is less than twelve hours per day.
The Northern Hemisphere is tilted away from the Sun, so daylight is approximately twelve hours per day.
The Southern Hemisphere is tilted toward the Sun, so daylight is greater than twelve hours per day.
The Southern Hemisphere is tilted away from the Sun so daylight is approximately twelve hours per day.
Where the naturally occuring good ozone layer is located
troposphere
mesosphere
stratosphere
thermosphere
What is the most abundant gas in the troposphere?
Oxygen
Carbon dioxide
Nitrogen
Ozone
which of the following best explains the movement of Earth's tectonic plates?
Earth's magnetic field pushes on the plates
convection currents in the asthenosphere cause the lithosphere to move
ocean currents pull against the lithosphere
the rotation of the earth causes the asthenosphere to move
