2. What does the prefix deci- mean?
A. 100
B. 1/100
C. 10
D. 1/10
What is D. 1/10
100
Satisfying the basic needs of the people for food, clean air, water, and shelter indefinitely without depleting or degrading natural resources and preventing future generation from meeting their basic needs.
a. sustainable society c. resourceful
b. sustainability d. useful
What is a. sustainable society
100
“Much of the northern part of the northern hemisphere is like it is here-treeless. Soon, the short growing season will be over. I tried to dig in the frozen ground a few days ago, but I could only dig a few centimeters down. While I was digging, I saw an arctic fox.” In which biome do I live?
a. Desert
b. Tundra
c. Taiga
d. Grassland
What is b. Tundra
100
Succession that occurs on abandoned agricultural fields is best described as
a. coevolution
b. primary succession
c. secondary succession
d. prairie succession
What is c. secondary succession
100
An S shaped curve is characteristic of a ____________ growth curve
a. logistic
b. exponential
What is a. logistic
200
Which of the following is a qualitative observation?
A. It is going to rain tonight.
B. The pen measured 6 cm
C. I think Daquan broke the glass
D. Sierra’s shoes are black and shiny
What is D. Sierra’s shoes are black and shiny
200
Which of the following does not represent an aspect of an environmentally sustainable society?
a. solar power
b. protecting biodiversity
c. recycling
d. soil erosion
What is d. soil erosion
200
“My house is between 50 degrees N and 60 degrees N latitude. The winters are very cold. Sometimes it is as cold as -70 degrees Celsius! For this reason, most of the precipitation that we get is snow. The trees (coniferous) are shaped like cones so the snow falls off them and does not damage them. I like the summer. Too bad it only lasts for about two to four months!” In which biome do I live?
a. Tundra
b. Taiga
c. Desert
d. Grassland
What is b. Taiga
200
A species that interacts with many other organisms in its community in critical ways can be called a
a. predator
b. primary succession species
c. secondary succession species
d. keystone species
What is d. keystone species
200
Which of the following is an r-selected species?
a. red-tailed hawk
b. black bear
c. saguaro cactus
d. ragweed
What is d. ragweed
300
Which is the biggest?
A. 6300 mL
B. 6.6 kL
C. 67 L
D. 630 cL
What is B. 6.6 kL
300
Which of the following countries has the highest ecological footprint per capita?
a. India
b. the United States
c. All are about the same
d. the Netherlands
What is B. the United States
300
In going from one trophic level to the next higher level in an ecological pyramid,
a. the number of organisms increases
b. the amount of usable energy increases
c. the amount of usable energy decreases
d. diversity of organism increases
What is c. the amount of usable energy decreases
300
A species that occurs in an environment naturally is called a
a. Exotic species
b. Native species
c. Natural species
d. Generalist species
What is b. Native species
300
Populations increase in size when _____________________.
a. The birth rate exceeds the death rate
b. Emigration exceeds immigration
c. Deaths exceed births
d. The population gets old
What is a. The birth rate exceeds the death rate
400
How many meters is equal to 50 Hm?
A. 5000 m
B. 500 m
C. 5 m
D. 0.5 m
What is A. 5000 m
400
What is the tragedy of the commons?
a. The degradation of renewable free-access resources.
b. The depletion of non-renewable resources
c. The seizing of natural resources by government
d. The underuse of resources that could benefit needy people.
What is b. The depletion of non-renewable resources
400
Which of the following correctly explains how atmospheric nitrogen is converted to nitrogen compounds used by living organisms?
a. Sunlight converts atmospheric nitrogen to a form usable by protists.
b. Plant leaves convert atmospheric nitrogen to a form usable by animals.
c. Bacteria in soil convert atmospheric nitrogen to a form usable by plants.
d. Invertebrate animals in soil convert atmospheric nitrogen to a form usable by fungi.
What is c. Bacteria in soil convert atmospheric nitrogen to a form usable by plants.
400
Which of the following are indicator species that biologists say are warnings of environmental decline in many parts of the world?
a. Insects
b. Birds
c. Amphibians
d. Reptiles
What is c. Amphibians
400
Which of the following would be considered an ecosystem?
a. bacteria living in a deep ocean vent
b. biotic factors in a forest
c. living and nonliving things in a pond
d. populations of zebras and lions
What is c. living and nonliving things in a pond
500
Convert 26.3 mg to Dekameters
A. 26,300,000 Dm
B. 0.000263 Dm
C. 0.00263 Dm
D. 26,300 Dm
What is C. 0.00263 Dm
500
25. Pollution is divided into two categories, depending on its source: ________ and ________.
a. hazardous, nonhazardous
b. air, water
c. natural, manmade
d. point, nonpoint
What is d. point, nonpoint
500
What does Earth’s ozone layer shield Earth’s inhabitants from?
a. Solar heating
b. Meteor impacts
c. Ultraviolet rays
d. Ozone depletion
What is c. Ultraviolet rays
500
The difference between K-selected species and r-selected species is that:
a. K-selected species reproduce early in life.
b. r-selected species tend to produce few offspring
c. r-selected species reproduce early in life.
d. K-selected species produce more offspring
What is c. r-selected species reproduce early in life.
500
Which of the following is not one of the "big five" environmental issues?
a. biodiversity depletion.
b. limited supplies of fossil fuels.
c. water pollution
d. food supply problems.