Unit 1
A persons ecological footprint is
A. The land needed to support all of a persons activities.
B. The amount f carbon a person contributes
C. The amount of land needed to make food
D. The land people live on
A- The land needed to support all of a persons activities.
Which of these is a biotic factor in the ocean?
a. depth
b. light
c. salinity
d. squid
What is d. squid
The Earth's surface water is found in:
a. lakes, rivers, & streams
b. mountains, valleys, & plains
c. islands, wetlands, & deserts
d. cities, towns, & villages
A. Lakes, Rivers, & Streams
An ecosystems carrying capacity is determined by all except what?
A. Land
B. Food availability
C. Climatic events
D. Water sources
C. Climatic events
What is the main cause of water pollution?
A. Marine dumping
B. Evaporation of the oceans
C. Waste from near by cities
D. using water as a coolant from near by cities
C. Waste from near by cities
How many hectares of land is a 500-acre park? ( 1 acre= 0.40ha )
A. 200ha
B. 250ha
C. 500ha
D. 750ha
A. 200ha
The natural replacement of one community with another until a climax community is reached is known as:
a. Ecological balance
b. Organic evolution
c. Dynamic equilibrium
d. Ecological succession
d. Ecological succession
An adaptation often used by animals of the Arctic tundra is to
a. deer and bears use seasonal camouflage
b. hunt at night to avoid the warmest parts of the day
c. migrate or hibernate during the coldest months
d. all of the above
C. Migrate or hibernate during the coldest months
According to the theory of demographic transition, countries move through growth phases in which order.
A. stable growth, rapid growth, slow growth, declining growth
B. Rapid growth, slow growth, stable growth, declining growth
C. Slow growth, declining growth, rapid growth, stable growth
D. slow growth, rapid growth, stable growth, declining growth.
A. stable growth, rapid growth, slow growth, declining growth
The destruction of the earths surface due to the misuse and improper disposal of waste leads to
A. Overfilling and landfills
B. Pollution
C. Radioactive waste
D. Illegal mining
B. Pollution
A country with a greater number of younger people than older people has an age structure diagram that resembles what?
A. Column
B. pyramid
C. Inverted pyramid
D. Inverted column
B. pyramid
Animals need nitrogen to make
a. Carbohydrates
b. lipids
c. proteins
d. polysaccharides
c. proteins
In the tropical rainforest, adaptations include
a. leaves that fall off during colder months to save energy
b. plants and animals that live in different layers of the canopy
c. birds that migrate in the fall
d. plants with special functions to push out salt
B. Plants and animals that live in different layers of the canopy
What dispersion pattern is most common in nature?
A. Uniformed
B. clumped
C. Random
D. All of the are equal
B. Clumped
Chlorofluorocarbons (CFC) are a major cause of
A. Warm ocean water
B. Clean swimming pools
C. Coal creation
D. Ozone depletion
D. Ozone depletion
A sustainable world would look like what?
A. preservation of rare animals
B. invention of safer storage facilities for increased amounts of toxic waste
C. Maximum exploration of natural resources using more advanced technology's.
D. Indefinite existence of human populations in a healthy and prosperous conditions.
D. Indefinite existence of human populations in a healthy and prosperous conditions.
In ecological succession, bacteria, mosses and lichens growing on bare rock are considered to be
a. Climax species
b. Pioneer species
c. Primary consumers
d. Decomposers
b. pioneer species
Coniferous trees in the taiga typically have
a. broad, thin leaves to absorb as much sunlight as possible
b. a shallow root system to keep roots warmer
c. a cone-shape to hold snow without branches breaking off
d. leaves that fall off during the colder months to save energy
A. Broad, thin leaves to absorb as much sunlight as possible
What are the characteristics of typical r-selected species?
A. They produce many offspring and a short period of time
B. They have a low survivorship early in life
C. They take a long time to reach productive maturity
D. A & B
D. A & B
Mine reclamation is the process of
A. restoring the land back to its original condition
B. Scraping off the top soil and putting it to the side
C. Removing ore from the soil and separating it from other material
D. Collecting all valuable ore.
A. restoring the land back to its original condition
Which of the following illustrates a global impact related to population growth?
A. Traffic into cities creates traffic jams and increase travel time into and our of developments.
B. The conversion of forested areas into agricultural land reduces the uptake of carbon dioxide by plants.
C. converting land into agricultural land can cause erosion.
D. the building of new developments decreases habitat for local wildlife.
A. Traffic into cities creates traffic jams and increase travel time into and our of developments.
The products used for photosynthesis are ___&___, which are reactants used for cellular respiration. The products used for cellular respiration are ___&___ , Which are reactants used for photosynthesis.
A. carbon dioxide & water. glucose & oxygen
B. glucose & oxygen. carbon dioxide & water
C. carbon & nitrogen. glucose & methane
D. glucose & oxygen. water & oxygen
B. glucose & oxygen. carbon dioxide & water
In which biome do animals have very streamlined bodies for swimming long distances?
A. freshwater
B. Estuary
C. Rocky intertidal
D. Open ocean
D. open ocean
How does the availability of fresh fruit and vegetables Affect human populations?
A. Everyone has access to fresh fruits and vegetables; therefore it does not affect the population
B. Human populations who do not have access are more likely to develop health conditions.
C. Everyone can supplement fresh fruits an vegetables with vitamins; Therefore it doesn't affect the population
D. Human heath is only affected by the things you eat, Therefore not eating fruits and vegetables can not effect the population
B. Human populations who do not have access are more likely to develop health conditions.
Which of the following is why eutrophication is so harmful?
A. It can cause algal blooms
B. Disrupts normal ecosystem functions
C. Algal bloom produce toxins
D. all of the above
D. all of the above