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Test your basic knowledge |
CLEP Biology: Social Biology
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Study First
Subjects
:
clep
,
science
,
biology
Instructions:
Answer 39 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Human action is causing the ____________ of species at thousands of times the natural rate.
Introduction
Extinction
Technology.
Exponentially
2. Human populations have continued to increase - due to use of ___________ that has disrupted natural populations.
Secondary
Constraints
Technology.
Splice.
3. Genetic __________ is the artificial assembly of DNA fragments of different origin - made possible by the tools of genetic engineering.
Social Darwinism
Overhunting
Manipulation.
Introduction
4. Human populations can be broken down into three age groups: ________ - reproductive - and postreproductive
Knockout
Domestication
Dependency
Explosion
5. Anti-genetic-engineering groups say that with current ___________ technology there is no way to ensure that genetically modified organisms remain under control.
Recombinant
Prey
Nucleotide
Doubling time
6. On a positive note - human-induced population ____________ can provide needed resources for growing human populations.
Introduction
Explosions
Social Darwinism
Overhunting
7. The ________ _____ is determined by the birth rate and the death rate of a population - usually per 1 -000 individuals.
Knockout
Introduction
Growth rate
Dependency
8. The ________ potential of a population is the maximum growth rate under ideal conditions.
Modification
Secondary.
Polygenesis
Biotic
9. The _______-___________ countries (mdcs) doubled their populations between 1850 and 1950 - due to a decline in the death rate and improved living conditions.
Doubling time
More-developed
Tracking
Biotic
10. Pollutants generally are releases of substances into the air and water. Many lakes often have nitrogen and phosphorous as limiting nutrients for aquatic and terrestrial plants. Runoff from agricultural fertilizers increases these nutrients - leading
More-developed
Eutrophication
Biotic
Modification
11. The death of one species or population can cause the decline or elimination of others - a process known as ____________ extinction.
Social Darwinism
Secondary
Polygenesis
Extinction
12. Louis Pasteur is a chemist known for his discovery that most infectious diseases are caused by _______ . This is known as the 'germ theory of disease.'.
Recombinant
Germs
Polygenesis
Splice.
13. Predator release is common where humans hunt - trap - or otherwise reduce predator populations - allowing the ______ population to increase.
Introduction
Prey
Domestication
Polygenesis
14. ________________ of populations leads to possible outcomes: population growth as previous limits are removed - population decline as new limits are imposed
Eutrophication
Exponentially
Extinction
Destabilization
15. The ______-_________ countries (ldcs) have a higher growth rate than the mdcs. That rate peaked in the early 1960s.
Less-developed
Modification
Extinction
Polygenesis
16. Agriculture and animal ____________ are examples of population increase of favored organisms.
Introduction
Domestication
Technology.
Introduction
17. A _____________ is a constituent element of the DNA molecule. There are 3.5 billion of them in humans - separated into four categories: adenines - guanines - cytosines and thymines.
Nucleotide
Explosions
Domestication
Fittest.
18. During _____________ extinction - loss of food species can cause migration or extinction of any species that depends largely or solely on that species as a food source.
Disruption
Recombinant
Secondary.
Biotechnology
19. Humans can remove or alter the _________ on population sizes - with both good and bad consequences.
Constraints
Eutrophication
Knockout
Nucleotide
20. Changes in the biological environment occur in many ways. During Species ___________ an exotic species is introduced into an area where it may have no predators to control its population size - or where it can greatly out-compete native organisms.
Introduction
Explosions
Disruption
Extinction
21. __________ _________ limits population size. The effects of environmental resistance become more pronounced as the population approaches this number.
Manipulation.
Technology.
Carrying capacity
More-developed
22. ___________ of exotic or alien non-native species into new areas is perhaps the greatest single factor to affect natural populations.
Recombinant
Introduction
Modification
Demographic Transition
23. ___________ _____ (d) is calculated by dividing the demographic constant by the growth rate.
Doubling time
Explosions
Overhunting
Knockout
24. Removal of a competing species can cause the ecological release of a population __________ in that species' competitor.
Biotechnology
Tracking
Technology.
Explosion
25. Genetic Engineering - Genetic __________(GM) - and Gene Splicing (once in widespread use but now deprecated) describe the process of manipulating genes in an animal or plant - outside of the organism's normal reproductive process.
Recombinant
Doubling time
Splice.
Modification
26. In one of his first essays - Herbert Spencer applied Malthusianism to animals and launched the expression 'Survival of the _________' later borrowed by Darwin.
Polygenesis
Introduction
Recombinant
Fittest.
27. _____________ is thought to be a genetic disorder linked to several genes.
Polygenesis
Carrying capacity
Explosion
Technology.
28. Habitat _________ is the disturbance of the physical environment of a species - for example cutting a forest or draining wetlands.
Exponentially
Biotic
Growth rate
Disruption
29. ____________ companies have gained far greater control over the production chain than was true of the seed companies that predated them.
Disruption
Growth rate
Manipulation.
Biotechnology
30. Since a protein is specified by a DNA segment or gene - future copies of that protein can be modified by changing the gene's underlying DNA. One way to do this is to isolate the DNA - cut it - and ________ in a different DNA segment.
Explosion
Splice.
Modification
Social Darwinism
31. The human population is growing _____________ - and not geometrically.
Exponentially
Polygenesis
Technology.
Nucleotide
32. A ___________ ___________ is defined as a decrease in birth and death rates due to economic and industrial growth.
Demographic Transition
Destabilization
Biotechnology
Disruption
33. Reluctance to recognize this field as ____________ has become popular in the anti-globalization movement and safe trade movement - and is also widely held by most Green parties - and the major parties of France and Germany - which have resisted any a
Doubling time
Social Darwinism
Engineering
Disruption
34. This evolutionary theory gave biological foundation to the principle of a freely competitive market: or _________ __________.
Secondary.
Nucleotide
Fittest.
Social Darwinism
35. By _____________ - when a predator population increases or becomes more efficient at killing the prey - the prey population may decline or go extinct.
Manipulation.
Social Darwinism
Overhunting
Zero
36. The best known applications of genetic engineering are genetically modified __________(GMOs).
Organisms
Engineering
Introduction
Fittest.
37. _________ population growth occurs in two cases. 1. ZPG = high birth rates - high death rates 2. ZPG = low birth rates - low birth rates
Extinction
Disruption
Zero
Explosions
38. Loss of function - or __________ experiments - are those in which an organism is engineered to lack one or more genes. This allows the experimenter to analyze the defects caused by this mutation - and can be considerably useful in unearthing the func
Knockout
Overhunting
Domestication
Explosion
39. __________ experiments seek to gain information about the localization and interaction of the desired protein. One way to do this is to replace the wild-type gene with a 'fusion' gene - which is a juxtaposition of the wild-type gene with a reporting
Social Darwinism
Tracking
Germs
Extinction