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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 populations have continued to increase - due to use of ___________ that has disrupted natural populations.
Biotic
Dependency
Nucleotide
Technology.
2. The human population is growing _____________ - and not geometrically.
Constraints
Eutrophication
Exponentially
Organisms
3. 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.
Secondary.
Disruption
Biotic
Secondary
4. Genetic __________ is the artificial assembly of DNA fragments of different origin - made possible by the tools of genetic engineering.
Prey
Manipulation.
Biotechnology
Modification
5. Humans can remove or alter the _________ on population sizes - with both good and bad consequences.
Social Darwinism
Tracking
Constraints
Biotic
6. This evolutionary theory gave biological foundation to the principle of a freely competitive market: or _________ __________.
Social Darwinism
Fittest.
Modification
Knockout
7. The best known applications of genetic engineering are genetically modified __________(GMOs).
Technology.
Organisms
Splice.
Explosions
8. The ______-_________ countries (ldcs) have a higher growth rate than the mdcs. That rate peaked in the early 1960s.
Constraints
Less-developed
Explosion
More-developed
9. 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
Germs
Exponentially
10. Human action is causing the ____________ of species at thousands of times the natural rate.
Secondary.
Extinction
Zero
Engineering
11. Human populations can be broken down into three age groups: ________ - reproductive - and postreproductive
Dependency
Explosion
Eutrophication
Fittest.
12. _____________ is thought to be a genetic disorder linked to several genes.
Demographic Transition
Polygenesis
Introduction
Fittest.
13. The ________ potential of a population is the maximum growth rate under ideal conditions.
Doubling time
Engineering
Biotic
Zero
14. ___________ _____ (d) is calculated by dividing the demographic constant by the growth rate.
Doubling time
Knockout
Overhunting
Constraints
15. The ________ _____ is determined by the birth rate and the death rate of a population - usually per 1 -000 individuals.
Growth rate
Eutrophication
Polygenesis
Explosions
16. ____________ companies have gained far greater control over the production chain than was true of the seed companies that predated them.
Destabilization
Growth rate
Biotechnology
Organisms
17. Predator release is common where humans hunt - trap - or otherwise reduce predator populations - allowing the ______ population to increase.
Prey
Disruption
Nucleotide
Manipulation.
18. Agriculture and animal ____________ are examples of population increase of favored organisms.
Domestication
Constraints
Germs
Dependency
19. ___________ of exotic or alien non-native species into new areas is perhaps the greatest single factor to affect natural populations.
Social Darwinism
Introduction
Tracking
Technology.
20. __________ 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
Extinction
Tracking
Social Darwinism
Growth rate
21. Habitat _________ is the disturbance of the physical environment of a species - for example cutting a forest or draining wetlands.
Introduction
Less-developed
Organisms
Disruption
22. ________________ of populations leads to possible outcomes: population growth as previous limits are removed - population decline as new limits are imposed
Destabilization
Carrying capacity
Organisms
Modification
23. 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.'.
Technology.
Destabilization
Dependency
Germs
24. On a positive note - human-induced population ____________ can provide needed resources for growing human populations.
Explosions
Eutrophication
Recombinant
Carrying capacity
25. _________ population growth occurs in two cases. 1. ZPG = high birth rates - high death rates 2. ZPG = low birth rates - low birth rates
Zero
Tracking
Secondary.
Knockout
26. The _______-___________ countries (mdcs) doubled their populations between 1850 and 1950 - due to a decline in the death rate and improved living conditions.
Dependency
Overhunting
More-developed
Demographic Transition
27. 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
Fittest.
Modification
Eutrophication
Doubling time
28. 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
Less-developed
Knockout
Carrying capacity
Engineering
29. __________ _________ limits population size. The effects of environmental resistance become more pronounced as the population approaches this number.
Doubling time
Carrying capacity
Demographic Transition
Engineering
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.
Organisms
Splice.
Modification
Explosions
31. A ___________ ___________ is defined as a decrease in birth and death rates due to economic and industrial growth.
Demographic Transition
Destabilization
Less-developed
Constraints
32. Anti-genetic-engineering groups say that with current ___________ technology there is no way to ensure that genetically modified organisms remain under control.
Eutrophication
Recombinant
Overhunting
Organisms
33. Removal of a competing species can cause the ecological release of a population __________ in that species' competitor.
Zero
Destabilization
Explosions
Explosion
34. The death of one species or population can cause the decline or elimination of others - a process known as ____________ extinction.
Secondary
Constraints
More-developed
Overhunting
35. 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.
Destabilization
Secondary.
Germs
Introduction
36. 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.
Biotechnology
Doubling time
Modification
Demographic Transition
37. 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.
Fittest.
Exponentially
Nucleotide
Biotic
38. By _____________ - when a predator population increases or becomes more efficient at killing the prey - the prey population may decline or go extinct.
Fittest.
Nucleotide
Overhunting
Zero
39. In one of his first essays - Herbert Spencer applied Malthusianism to animals and launched the expression 'Survival of the _________' later borrowed by Darwin.
Secondary.
Less-developed
Carrying capacity
Fittest.