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