taxonomy, systematics Flashcards

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1
Q

What is taxonomy?

A

Taxonomy is the science of naming, defining, and classifying groups of biological organisms based on shared characteristics.

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2
Q

True or False: Taxonomy involves categorizing organisms based on their genetic makeup.

A

True

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3
Q

What is systematics?

A

Systematics is the study of the evolutionary relationships between different organisms.

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4
Q

Fill in the blank: Systematics aims to understand the ________ history of organisms.

A

evolutionary

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5
Q

What is a taxon?

A

A taxon is a group of organisms at any level of classification.

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6
Q

True or False: Species is the most specific taxonomic rank.

A

True

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7
Q

What is binomial nomenclature?

A

Binomial nomenclature is the system of naming species with a two-part Latin name composed of the genus and species names.

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8
Q

Which scientist is known as the ‘father of modern taxonomy’?

A

Carl Linnaeus

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9
Q

Fill in the blank: The hierarchical classification system in taxonomy goes from ________ to ________.

A

domain, species

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10
Q

What is a cladogram?

A

A cladogram is a diagram that shows the evolutionary relationships among a group of organisms.

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11
Q

True or False: Cladistics is a method in systematics that classifies organisms based on their evolutionary history.

A

True

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12
Q

What is a phylogenetic tree?

A

A phylogenetic tree is a branching diagram that shows the evolutionary relationships among a group of organisms.

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13
Q

True or False: Phylogenetics studies the evolutionary history of genes and the relationships between different species.

A

True

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14
Q

Fill in the blank: The process of identifying, naming, and classifying new species is known as ________.

A

describing

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15
Q

What is a type specimen?

A

A type specimen is a physical example of an organism that serves as the reference point for its species.

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16
Q

True or False: Taxonomy and systematics are static fields that do not change over time.

A

False

17
Q

What is a molecular clock?

A

A molecular clock is a method used in molecular systematics to estimate the timing of evolutionary events based on genetic differences.

18
Q

Fill in the blank: The study of the evolutionary history of a species or group of species is known as ________.

A

phylogeny

19
Q

What is a monophyletic group?

A

A monophyletic group is a taxonomic group that includes an ancestor and all of its descendants.

20
Q

True or False: A paraphyletic group includes an ancestor and some, but not all, of its descendants.

A

True

21
Q

What is a homologous structure?

A

A homologous structure is a structure that is similar in different species because of common ancestry.

22
Q

Fill in the blank: Analogous structures are similar in function but ________ in structure.

A

different

23
Q

What is convergent evolution?

A

Convergent evolution is the independent evolution of similar features in different lineages.

24
Q

True or False: Convergent evolution can result in analogous structures.

A

True