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