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| 1 | |
The binomial system of classification was developed by ________________. |
| | A) | Darwin. |
| | B) | Wallace. |
| | C) | Linnaeus. |
| | D) | Malthus. |
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| 2 | |
It is estimated that about ____ million different organisms exist in the world. |
| | A) | 1 |
| | B) | 5 |
| | C) | 10 |
| | D) | 15 |
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| 3 | |
Which one of the following sequences shows the correct hierarchy of classification, going from the most inclusive to the least inclusive? |
| | A) | kingdom, phylum, order, class, family, genus, species |
| | B) | kingdom, phylum, class, order, family, genus, species |
| | C) | species, genus, family, class, order, phylum, kingdom |
| | D) | phylum, kingdom, genus, species, family, order, class |
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| 4 | |
The biological species concept is widely employed for defining species in which of the following kingdoms? |
| | A) | animal |
| | B) | plant |
| | C) | fungi |
| | D) | protist |
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| 5 | |
The evolutionary history of a species and its relationship to other species is called ________________. |
| | A) | classification |
| | B) | taxonomy. |
| | C) | phylogeny. |
| | D) | biological species concept. |
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| 6 | |
At the present time, scientists have named approximately ____ species. |
| | A) | 500,000 |
| | B) | 1,000,000 |
| | C) | 1,500,000 |
| | D) | 10,000,000 |
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| 7 | |
Which Kingdom inhabits some of the most extreme environments on earth? |
| | A) | Archaea |
| | B) | Plantae |
| | C) | Animalia |
| | D) | Bacteria |
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| 8 | |
A phylogenetic tree is a branching diagram that represents the phylogeny of a group of organisms. |
| | A) | True |
| | B) | False |
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| 9 | |
The binomial system of classification names an organism by using a list of adjectives that describe the organism. |
| | A) | True |
| | B) | False |
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| 10 | |
According to Ray's species definition horses and donkeys are ______________. |
| | A) | members of the same species because they can produce viable offspring. |
| | B) | members of the same species because they are similar in appearance. |
| | C) | not members of the same species because their offspring are sterile. |
| | D) | not members of the same species because they are different sizes. |
| | E) | in the same species as mules. |
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| 11 | |
Outcrossing (sexual reproduction between different individuals) is most common in kingdom ________________. |
| | A) | Eubacteria. |
| | B) | Protista. |
| | C) | Fungi. |
| | D) | Plantae. |
| | E) | Animalia. |
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| 12 | |
___________ has/have provided evidence that the archaea are more closely related to the eukaryotes than to the bacteria. |
| | A) | Fossils |
| | B) | RNA sequencing |
| | C) | Cytochrome c comparison |
| | D) | Cladistics |
| | E) | Both a and d |
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| 13 | |
Arranging organisms into a multilevel system is called ______________. |
| | A) | classification. |
| | B) | nomenclature. |
| | C) | speciation. |
| | D) | paleontology. |
| | E) | ornithology. |
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| 14 | |
In the name Escherichia coli, coli is the __________ name. |
| | A) | genus |
| | B) | specific epithet |
| | C) | family |
| | D) | common |
| | E) | phylum |
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| 15 | |
The difficulty with polynomial names was that they ____________. |
| | A) | were not descriptive enough. |
| | B) | were not consistent |
| | C) | could only be applied to animals |
| | D) | were long and confusing. |
| | E) | all of the above. |
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| 16 | |
Organisms that are members of the same class are also members of the same _______________. |
| | A) | species. |
| | B) | family. |
| | C) | genus. |
| | D) | phylum. |
| | E) | both b and d |
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| 17 | |
While examining water samples that you collected at a local pond, you observe a unicellular organism that has a nucleus and organelles. That organism is a member of the kingdom ________________. |
| | A) | Bacteria. |
| | B) | Protista. |
| | C) | Animalia. |
| | D) | Plantae. |
| | E) | Fungi. |
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| 18 | |
One limitation of the biological species concept is that it ______________. |
| | A) | does not apply to asexually reproducing organisms. |
| | B) | is only applicable to plant species. |
| | C) | is only applicable to animal species. |
| | D) | is outdated. |
| | E) | all of the above. |
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| 19 | |
While conducting research in the rain forest you collect a number of beetles. Several of them have similar morphologies but different coloring. How could you determine if they are members of the same species? |
| | A) | by determining if they produce viable, fertile offspring |
| | B) | by determining if they live in the same niche |
| | C) | by determining if they eat the same foods |
| | D) | by further examination of their morphologies for significant differences |
| | E) | both a and d. |
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| 20 | |
Living organisms are grouped into three categories called kingdoms. |
| | A) | True |
| | B) | False |
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