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