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