Answers FL-2000310-Biology 1 BUnit Test

Methods of Classification Answers

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Which is the best definition of a phylogenetic tree?

a table of classification that is based only on physical characteristics

eight levels of taxonomic categories that are used to classify organisms

a branching chart that depicts evolutionary relationships among organisms

organisms organized based on structure and genetic comparisons

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What is binomial nomenclature?

a two word system for naming organisms by using the genus and species

a two word system for naming organisms by using the family and genus

a two word system for naming organisms by using the order and family

a two word system for naming organisms by using the domain and species

Which is most likely to change with new discoveries and technologies?

classification of organisms

kingdom of an organism

order of the taxonomic levels

use of binomial nomenclature

Consider the phylogenetic tree.Which two organisms are most closely related, based on the tree above?

ray-finned fishes and sharks

rodents and primates

dinosaurs and crocodiles

dinosaurs and birds

The species that is known as a robin in England has a yellow breast, and another species that is known as a robin in the United States has a red breast. Which statement about common names does this fact best exemplify?

More than one common name may be used for the same species.

Common names differ among various locations.

Different species can share the same common name.

Common names do not always translate accurately from Latin to other languages.

Why are some of Carl Linnaeus’s classifications of organisms incorrect?

Linnaeus did not study the anatomy of organisms.

Linnaeus’s work accounted for evolution.

Linnaeus did not use structural comparisons.

Linnaeus primarily used physical characteristics.

Which type of evidence is least likely to result in changes to a phylogenetic tree?

DNA sequencing

fossil record

discovery of new species

physical characteristics

Why is taxonomy important?

Taxonomy allows scientists to analyze DNA and RNA sequences.

Taxonomy allows a better understanding of relationships among species.

Taxonomy allows the manipulation of genes for medical purposes.

Taxonomy allows scientists to use both common names and domains of life.

Which scientific area has the most influence in shaping modern classification methods?

physiology

anatomy

evolution

behavior

Consider the classification levels of a honey bee. EukaryaAnimaliaArthropodaInsectaHymenopteraApidaeApismelliferaTo which class do honey bees belong?

Arthropoda

Insecta

Hymenoptera

Apidae

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