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