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