Understanding Evolutionary Grades Quiz

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15 Questions

What is the term coined by British biologist Julian Huxley to contrast with clade?

Grade

What determines the relationships among or within groups of organisms in phylogenetics?

DNA sequences

What is the result of an analysis in phylogenetics?

Phylogenetic tree

What is an evolutionary grade?

A group of species united by morphological or physiological traits

Who was the first to divide tetrapods into the four familiar classes of amphibians, reptiles, birds, and mammals?

Julian Huxley

What is the term coined by British biologist Julian Huxley to contrast with clade?

Grade

What determines the relationships among or within groups of organisms in phylogenetics?

Observed heritable traits

What is the result of an analysis in phylogenetics?

Phylogenetic tree

What represents a paraphyletic taxon?

Ancestral group in an evolutionary grade

Who was the first to divide tetrapods into the four familiar classes of amphibians, reptiles, birds, and mammals?

Latreille

What is the term coined by Julian Huxley to contrast with clade?

Grade

How are the relationships among or within groups of organisms determined in phylogenetics?

By phylogenetic inference methods focusing on observed heritable traits

What represents a paraphyletic taxon?

An ancestral group that is not phylogenetically complete

What is the result of an analysis in phylogenetics?

A phylogenetic tree

Who was the first to divide tetrapods into the four familiar classes of amphibians, reptiles, birds, and mammals?

Julian Huxley

Test your knowledge of evolutionary grades and phylogenetics with this quiz. Explore the concept of taxonomic units, phylogenetic inference methods, and the evolutionary history of different organisms.

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