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Test your basic knowledge |
CLEP Biology: Principles Of Evolution
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Subjects
:
clep
,
science
,
biology
Instructions:
Answer 50 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. Most anthropologists agree that the ______ _______ was populated by a series of three migrations over the temporary land connection between Asia and North America.
Polymorphism
Fungi
Punctuated
New World
2. ___________ speciation happens when members of a population develop some genetic difference that prevents them from reproducing with the parent type.
Bipedal
Genetic drift
Sympatric
Interspecific
3. There are at least ___________ of animals. Humans are members of the phylum Chordata.
33 phyla
Fossils. A study of the fossil record helps to build a historical sequence of biological evolution of complex organisms from simple ancestors.
Seven
Baseline
4. ______________ struggle is the struggle of organisms against the physical environment.
Homology
Homologous
Environmental
Genetic drift
5. At some time in their life cycle - chordates have a pair of lateral gill slits or pouches used to obtain __________ in a liquid environment.
Fossil
Creationism
Oxygen
Increase
6. Homology has to be distinguished from ___________; for instance - the wings of insects and the wings of birds are analogous but not homologous.
Differential
Analogy
Hunter-gatherer
Mimicry
7. The Linnaean system uses two Latin name categories - ________ and species - to designate each type of organism.
Connecting links
Creationism
Genus
Out-of-Africa
8. Insect ____________ is also an example of convergent evolution - as for example when an edible (palatable) butterfly develops a color pattern similar to a relatively unrelated inedible (unpalatable) butterfly - and by so doing escapes being eaten.
Protoplasm
Extinction
Fungi
Mimicry
9. _____________ struggle takes place between the individuals of different species.
Interspecific
Extinction
Adaptive radiation
Kingdom
10. As populations diverge - they form similar but related species. When are two populations new species? When populations no longer _____________ they are thought to be separate species.
Intraspecific
Analogy
Interbreed
Evolution
11. For humans - the complete classification is: Kingdom (Animalia); Phylum (__________); Class (Mammalia); Order (Primates); Family (Hominidae); Genus (Homo); Species (Sapiens).
Genus
Mass
Chordata
Connecting links
12. The Neolithic transition - about 10 -000 years ago - involved the change from __________-__________ societies to agricultural ones based on cultivation of plants and domesticated animals.
Fossils. A study of the fossil record helps to build a historical sequence of biological evolution of complex organisms from simple ancestors.
Intraspecific
Hunter-gatherer
Increase
13. The ______-____-______ Hypothesis proposes that some Homo erectus remained in Africa and continued to evolve into Homo sapiens - and left Africa about 100 -000-200 -000 years ago. From a single source - Homo sapiens replaced all populations of Homo e
Monera
Analogy
Out-of-Africa
Binomial
14. Immediately below kingdom is the _________ level of classification. At this level - animals are grouped together based on similarities in basic body plan or organization.
Mollusca
Punctuated
Phylum
Change
15. In general if two genes have an almost identical DNA sequence - it is likely that they are ____________.
Founder.
Homologous
Homology
Fungi
16. An important step toward the modern theory of evolution came in the 1760's - when Count George-Louis Leclerc de Buffon (1707-1788) published his Natural History of Animals with the idea that species __________ over time.
Natural selection
Homologous
Change
Genus
17. A ___________ can be defined as one or more populations of interbreeding organisms that are reproductively isolated in nature from all other organisms.
Mimicry
Creationism
Phylogenetic
Species
18. _____________ struggle takes place between the individuals of the same species.
Intraspecific
Africa
Genetic
Environmental
19. Such a dual level designation is referred to as a _________ nomenclature.
Biodiversity
Binomial
Evolution
Macroscopic.
20. Except for the tail fins - whales greatly resemble fish in outline - but are instead descended from four-legged land ___________.
Seven
Mammals.
Interspecific
Neanderthals
21. Prior to the scientific discoveries of the past 200 years - _____________ from the Book Of Genesis described how living things came into being.
Marsupial. All the marsupials in present day Australia would have evolved from one common ancestor. Kangaroos
Evolution
Homologous
Creationism
22. Despite their image as brutish simpletons - _____________were the first humans to bury their dead with artifacts - indicating abstract thought - perhaps a belief in an after-life.
Embryos
Polymorphism
Neanderthals
Primates
23. As the finch population began to flourish in these advantageous conditions - ______________ competition became a factor - and resources on the islands were squeezed and could not sustain the population of the finches for long.
Africa
Intraspecific
Marsupial. All the marsupials in present day Australia would have evolved from one common ancestor. Kangaroos
Mammals.
24. The __________ kingdom consists of one-celled organisms as well - but differs from the Monera kingdom in that it consists of eukaryotes.
Protista
Mimicry
Evolution
Biodiversity
25. __________ are the remains of organisms that lived in the past.
Fossils. A study of the fossil record helps to build a historical sequence of biological evolution of complex organisms from simple ancestors.
Binomial
Convergent
Macroscopic.
26. _____________ can occur randomly - from radiation damage (impact with high energy g-rays or cosmic rays) - from exposure to chemical agents called mutagens - or simply by error in the DNA replication process.
Mutations
Comparative anatomy.
Homologous
Monera
27. Jean Baptiste de Lamarck (1744-1829) developed one of the first theories on how species changed. Lamarck - in 1809 - concluded that organisms of higher complexity had __________ from preexisting - less complex organisms.
Evolved
Cold
Balanced
Evolution
28. In the 1680s Ariaantje and Gerrit Jansz emigrated from Holland to South Africa - one of them bringing along an allele for the mild metabolic disease porphyria. Today more than 30000 South Africans carry this allele and - in every case examined - can
Code
Microevolution
Founder.
Mutations
29. Differential reproduction allows one species to gradually evolve into a new species. This is the process of ____________.
Neanderthals
Evolution
Monera
Bipedal
30. The early stages of development of the ___________ of fish - salamander - tortoise - hen and man show remarkable similarity.
Baseline
Continuity
Seven
Embryos
31. According to Darwin - in spite of the high reproductive potential - the number of individuals in a species remains relatively constant - suggesting _____________ for existence.
Natural selection
Struggle
Homology
Environment
32. Humans are ____________ - meaning we walk on two of our limbs. The amount of melanin in our skin is representative of the environment we live in - i.e. dark skinned people occupy hotter climates.
Function
Fossils. A study of the fossil record helps to build a historical sequence of biological evolution of complex organisms from simple ancestors.
Bipedal
Triassic
33. Homo erectus was the first hominid to use ___________ - and have social structures for food gathering.
Fire
Evolved
Extinction
Natural selection
34. _________ ______ disease causes anemia - joint pain - a swollen spleen - and frequent - severe infections. It illustrates balanced polymorphism because carriers are resistant to malaria - an infection by the parasite that causes cycles of chills and
Seven
Biodiversity
Sickle Cell
Phylogenetic
35. ___________ evolution is an evolutionary process in which organisms not closely related independently acquire some characteristic or characteristics in common.
Fire
Embryos
Convergent
Natural selection
36. All organisms are placed into one of five kingdoms: Monera - Protista - ________ - Plantae - Animalia.
Natural selection
Fungi
Binomial
Taxonomy
37. Almost all living organisms use the same basic biochemical molecules - including DNA - ATP - and many identical or nearly identical enzymes. Organisms utilize the same DNA triplet base _________ and the same 20 amino acids in their proteins
Code
Extinction
Convergent
Sickle Cell
38. Because organisms are continually tested by their changing ______________ - their forms change to suit new conditions.
Biodiversity
Environment
Binomial
Function
39. _______________ is that branch of biology dealing with the identification and naming of organisms.
Baseline
Taxonomy
Primates
Finches
40. ___________ is a specific explanation of similarity of form seen in the biological world. In genetics - it is used in reference to protein or DNA sequences - meaning that the given sequences share ancestry.
Fire
Homology
Marsupial. All the marsupials in present day Australia would have evolved from one common ancestor. Kangaroos
Beneficial
41. A ____________ tree is a graphical means to depict the evolutionary relationships of a group of organisms.
Founder.
Primates
Phylogenetic
33 phyla
42. About 2 million years ago - two groups developed: the australopithecines - generally smaller brained and not users of tools; and the line that led to genus _________ - larger brained and makers and users of tools.
Macroscopic.
Polymorphism
Homo
Differential
43. _________ evidence shows that the horse has undergone considerable evolutionary change over a period of 60 million years.
Elongation
Africa
Fossil
Mimicry
44. Organisms struggle for existence. Organisms with advantageous characters survive - while those which lack such variations perish. The advantageous characters are passed on to the offsprings generation after generation and the organisms become better
Intraspecific
Natural selection
Allopatric
Punctuated
45. The _______-_________ Law states that an equilibrium of allele frequencies in a gene pool remains in effect in each succeeding generation of a sexually reproducing population if five conditions are met.
Hardy-Weinberg
Natural selection
Phylogenetic
Comparative anatomy.
46. When Charles Darwin was in the Galapagos islands - one of the first things he noticed is the variety of ___________ that existed on each of the islands.
Binomial
Finches
Allele
Founder.
47. About 1.8 million years ago - early Homo gave rise to _______ ________ - the species thought to have been ancestral to our own.
Somatic
Finches
Homo erectus
Species
48. Homology was defined by Darwin as similarity of structure and position - and distinguished from 'analogy -' which was defined as similarity of _____________ but not necessarily of structure and position.
Function
Sympatric
Interbreed
Oxygen
49. ____________ organs are formed on the same basic plan though they may be modified variously to perform different functions. They must have a common ancestral structure which gave rise to different modifications.
Comparative anatomy.
Homologous
Founder.
Marsupial. All the marsupials in present day Australia would have evolved from one common ancestor. Kangaroos
50. Darwin's Finches illustrated ___________ ____________. This is where species all deriving from a common ancestor have over time successfully adapted to their environment via natural selection.
Environmental
Somatic
Adaptive radiation
Sickle Cell