Last Biology Test - Ecology
70 Questions
| Attempts: 60
For the last test i have besides the final
Questions and Answers
- 1.
The branch of biology dealing with the interrelationships between organisms and their environments
- A.
Biology
- B.
Ecology
- C.
Mutualism
- D.
Demographics
- E.
Biotic Potential
Correct Answer
B. Ecology -
- 2.
Author or Silent Spring; opponent of the use of DDT as a pesticide
- A.
John Muir
- B.
Theodore Roosevelt
- C.
Rachel Carson
- D.
Ernest Haeckel
Correct Answer
C. Rachel Carson -
- 3.
The US president most responsible for forming the first wildlife refuges and national parks
- A.
Ernest Haeckel
- B.
Theodore Roosevelt
- C.
Thoreau
- D.
Herbert Hoover
Correct Answer
B. Theodore Roosevelt -
- 4.
Author of Walden; “back to nature” philosophy
- A.
Thoreau
- B.
Ernest Haeckel
- C.
Rachel Carson
- D.
John Muir
Correct Answer
A. Thoreau -
- 5.
Event occurring during 1860-1900 that resulted in the rapid increase in the burning of fossil fuels
- A.
Ecologist
- B.
The Age of Development
- C.
Industry Era
- D.
Industrial Revolution
Correct Answer
D. Industrial Revolution -
- 6.
Environmentalist who formed the Sierra Club; instrumental in getting the first national parks protected
- A.
Rachel Carson
- B.
John Muir
- C.
Ernest Haeckel
- D.
Thoreau
Correct Answer
B. John Muir -
- 7.
The scientist who coined the term ecology
- A.
Ernest Haeckel
- B.
John Muir
- C.
Thoreau
- D.
Theodore Roosevelt
Correct Answer
A. Ernest Haeckel -
- 8.
A pesticide widely used during the 1950’s, now banned, became more concentrated as it moved through the food chain due to biological magnification
- A.
EPA
- B.
DOT
- C.
DDT
- D.
SP
- E.
DAT
Correct Answer
C. DDT -
- 9.
What does “EPA” stand for?
Correct Answer
environmental protection agency - 10.
This fund was created by the federal government to deal with the thousands of toxic waste dumps that existed by the 1970’s in the United States
- A.
Silent Spring
- B.
Hippy movement
- C.
Superfund
- D.
EPA
Correct Answer
C. Superfund -
- 11.
Approximate current human population level on Earth
- A.
24 million
- B.
6 billion
- C.
6 million
- D.
600 million
Correct Answer
B. 6 billion -
- 12.
An interbreeding group of individuals of a species within a fixed geographical area
- A.
Population
- B.
Species
- C.
Geographic group
- D.
Community
Correct Answer
A. Population -
- 13.
All of the populations within a particular area
- A.
Species
- B.
Population
- C.
Community
- D.
Ecosystem
Correct Answer
C. Community -
- 14.
A level of organization that involves the interaction of the living and nonliving components within a community.
- A.
Population
- B.
Community
- C.
Ecosystem
- D.
Species
Correct Answer
C. Ecosystem -
- 15.
Biotic (living) or abiotic (physical or chemical)? : food supply
- A.
Biotic
- B.
Abiotic
Correct Answer
A. Biotic -
- 16.
Biotic (living) or abiotic (physical or chemical)? : water
- A.
Biotic
- B.
Abiotic
Correct Answer
B. Abiotic -
- 17.
Biotic (living) or abiotic (physical or chemical)? : pH of the water
- A.
Biotic
- B.
Abiotic
Correct Answer
B. Abiotic -
- 18.
Biotic (living) or abiotic (physical or chemical)? : predators
- A.
Biotic
- B.
Abiotic
Correct Answer
A. Biotic -
- 19.
Biotic (living) or abiotic (physical or chemical)? : temperature
- A.
Biotic
- B.
Abiotic
Correct Answer
B. Abiotic -
- 20.
Biotic (living) or abiotic (physical or chemical)? : oxygen level of the water
- A.
Biotic
- B.
Abiotic
Correct Answer
B. Abiotic -
- 21.
A large biogeographical region such as the tropical rain forest or tundra
- A.
Biosphere
- B.
Biome
- C.
Tropic
- D.
Community
Correct Answer
B. Biome -
- 22.
The narrow band around the Earth within which life exists
- A.
Gause
- B.
Biome
- C.
Biosphere
- D.
Biotic potential
Correct Answer
C. Biosphere -
- 23.
The statistics used to describe a population
- A.
Demography
- B.
Demographics
- C.
Ecological succession
- D.
Dispersion
Correct Answer
B. Demographics -
- 24.
A variable calculated by measuring the number of individuals of a species within a particular area
- A.
Biotic potential
- B.
Dispersion
- C.
Demographics
- D.
Density
Correct Answer
D. Density -
- 25.
The way individuals are spaced or spread out within a habitat
- A.
Demographics
- B.
Biotic potential
- C.
Density
- D.
Dispersion
Correct Answer
D. Dispersion -
- 26.
Clumped, uniform, and random describe three categories of what variable?
- A.
Demographics
- B.
Dispersion
- C.
Density
Correct Answer
B. Dispersion -
- 27.
The feeding relationships (food chains) found within the community
- A.
Density
- B.
Dispersion
- C.
Trophic structures
- D.
Biotic potential
Correct Answer
C. Trophic structures -
- 28.
The maximum, inherent capacity for a certain species to reproduce; the maximum growth rate (r)
- A.
Biotic potential
- B.
Dispersion
- C.
Growth rate
- D.
Carrying capacity
Correct Answer
A. Biotic potential -
- 29.
The sustainable population size (k) for a particular species within and area.
- A.
Growth rate
- B.
Carrying capacity
- C.
Biotic potential
- D.
Nutrient cycles
Correct Answer
B. Carrying capacity -
- 30.
The ability of a community to resist change and to return to its original species composition after being disturbed
- A.
Ecological succession
- B.
Stability
- C.
Growth rate
- D.
Dispersion
Correct Answer
B. Stability -
- 31.
A type of symbiosis in which both species in the relationship benefit
- A.
Mutualism
- B.
Commensalism
- C.
Parasitism
Correct Answer
A. Mutualism -
- 32.
A type of symbiosis in which one species within a relationship benefits and the other is neither helped nor harmed.
- A.
Mutualism
- B.
Commensalism
- C.
Parasitism
Correct Answer
B. Commensalism -
- 33.
Spanish moss hanging from an oak tree would most likely represent what type of symbiotic relationship?
- A.
Mutualism
- B.
Commensalism
- C.
Parasitism
Correct Answer
B. Commensalism -
- 34.
Leech attached to the body of a fish would represent what type of symbiotic relationship?
- A.
Mutualism
- B.
Commensalism
- C.
Parasitism
Correct Answer
C. Parasitism -
- 35.
A type of mimicry in which both the mimic and the original model species present some harm
- A.
Batesian
- B.
Mullerian
Correct Answer
B. Mullerian -
- 36.
The producers within an ecosystem would be located at what position on a food chain?
- A.
Top
- B.
Middle
- C.
Bottom
Correct Answer
A. Top -
- 37.
An organisms functional role within an ecosystem
- A.
Gause
- B.
Niche
- C.
Mimicry
- D.
Stability
Correct Answer
B. Niche -
- 38.
The biologist who came up with the “competitive exclusion principle” ; the concept that no two species can occupy the same niche.
- A.
Thoreau
- B.
Gause
- C.
Ernest Heackel
- D.
Theodore Roosevelt
Correct Answer
B. Gause -
- 39.
Transition of the species composition of an ecosystem after a disturbance (such as clear-cutting a forest).
- A.
Ecological succession
- B.
Stability
- C.
Mimicry
- D.
Biotic potential
Correct Answer
A. Ecological succession -
- 40.
Most closely linked with global warming
- A.
Water
- B.
Nitrogen
- C.
Phosphate
- D.
Carbon
Correct Answer
D. Carbon -
- 41.
Involves numerous specialized types of bacteria to convert the nutrient to usable forms
- A.
Water
- B.
Nitrogen
- C.
Phosphate
- D.
Carbon
Correct Answer
B. Nitrogen -
- 42.
Precipitation and transpiration would be important processes within this cycle
- A.
Water
- B.
Nitrogen
- C.
Phosphate
- D.
Carbon
Correct Answer
A. Water -
- 43.
Exclusively a geological cycle; no atmospheric stage
- A.
Water
- B.
Nitrogen
- C.
Phosphate
- D.
Carbon
Correct Answer
C. Phosphate -
- 44.
Biome located the farthest north
Correct Answer
tundra - 45.
Biome that would have the least water (most arid)
Correct Answer
desert - 46.
Highest diversity of life on Earth
Correct Answer
tropical forest
tropical rain forest - 47.
Permafrost exists over most of this biome
Correct Answer
tundra - 48.
Also called prairie
Correct Answer
temperate grassland - 49.
The oak-hickory forests
Correct Answer
temperate forest
temperate d forest
temperate deciduous forest - 50.
A grassland with scattered trees
Correct Answer
savanna
savannah
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