Question 1

Which of the following changes to the environment are caused by humans?  Check all that apply.

erosion due to acid rain
depletion of the ozone layer
increased acid rain
exotic species
hurricanes
global warming

 

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Question 2

What is an example of an abiotic component of an environment?

insects
plants
bacteria
soil
all of the above
none of the above

 

Question 3

What are large areas of land with similar climate, fauna and flora?

biome
community
population
biosphere

 

Question 4

What poses the greatest threat(s) to biodiversity?

habitat loss
overharvesting
exotic species
all of the above

 

Question 5

Organize the levels of the ecological hierarchy from small to largest.

– 1. 2. 3. 4. 5.

community

 

3
– 1. 2. 3. 4. 5.

biosphere

5

– 1. 2. 3. 4. 5.

organismal

 

1                                        – 1. 2. 3. 4. 5.

ecosytem

 

4
– 1. 2. 3. 4. 5.

population

 

2

 

Question 6

Scientists have discovered and named about 1.5 million eukaryotic species.

True

False

 

Question 7

Herbivory is an example of predation.

True

False

Question 8

The extinction of all organisms are tracked and recorded by humans.

True

False

 

Question 9

Heterotrophs produce their own food.

True

False

Question 10

Can species compete with different species in a community?

Yes

No

 

Question 11

Individuals can evolve over time.

True

False

 

Question 12

Does evolution explain the origin of life?

Yes

No

 

Question 13

Evolution is premeditated.

True

False

 

Question 14

Can bacteria evolve to be resistant to antibiotics?

Yes

No

 

 

Question 15

Match the evidence of evolution with the correct description.

                                                                         – A. B. C. D. E. F. skulls of early human ancestors
                                                                         – A. B. C. D. E. F. wings on flightless birds
                                                                         – A. B. C. D. E. F. similar appendages on various organisms
                                                                         – A. B. C. D. E. F. gill slits and tails during development
                                                                         – A. B. C. D. E. F. presence of similar organisms on different continents
                                                                         – A. B. C. D. E. F. universality in the genetic code and some proteins
A. molecular biology
B. biogeography
C. fossils
D. vestigial structures
E. homologous structures
F. comparative embryology

 

Question 16

What is survival of the fittest?

microevolution
genetic variation
speciation
natural selection

 

Question 17

Match the descriptions with the correct terrestrial biomes.

                                                                                               – A. B. C. D. E. F. G. H. tropical wet forests
                                                                                               – A. B. C. D. E. F. G. H. savannas
                                                                                               – A. B. C. D. E. F. G. H. subtropical deserts
                                                                                               – A. B. C. D. E. F. G. H. chaparrals
                                                                                               – A. B. C. D. E. F. G. H. temperate grasslands
                                                                                               – A. B. C. D. E. F. G. H. temperate forests
                                                                                               – A. B. C. D. E. F. G. H. boreal forests
                                                                                               – A. B. C. D. E. F. G. H. arctic tundra
A. warm and wet with evergreen forests year-round
B. lots of grasses with annual fluctuations in temperature
C. long, cold winters that support evergreen coniferous trees
D. dominated by shrubs with very dry summers
E. grassland with scattered trees
F. dry; can be hot or cold; low animal diversity
G. deciduous trees with moderate rainfall and temperatures
H. permafrost with low plants or lichens

 

 

Question 18

How is genetic diversity introduced into a population?  Check all that apply.

evolution
adaptations
sexual reproduction
DNA mutations

 

Question 19

What is the rarest type of ecosystem?

biomes
ocean
freshwater
terrestrial

 

Question 20

What is often the limiting nutrient in aquatic ecosystems?

nitrogen
s carbon
water
phosphorus

 

Question 21

How does sulfur enter the atmosphere?

geothermal vents
carbon dioxide
ocean sedimentation
saltwater