Lecture 18

Question 1

fundamental unit of evolution and taxonomy

Answer 1

species

Question 2

microevolution species

Answer 2

largest group of individuals or populations that form an evolving unit

Question 3

macroevolution species

Answer 3

smallest taxon and smallest clade

Question 4

morphospecies concept

Answer 4

measurable morphological differences between populations

Question 5

biological species concept

Answer 5

species are distinct if they wont interbreed with members of another species

Question 6

phylogenic species concept

Answer 6

smallest group of organisms that share a unique evolutionary history

• common ancestor
• presence of apomorphies

Question 7

evolutionary species concept

Answer 7

species that share a common ancestor but have distinct lineages

Question 8

chronospecies species concept

Answer 8

a single lineage that changes over time through anagenesis

Question 9

process oriented species concepts

Answer 9

focus on reproductive barriers (BSC)

Question 10

Pattern oriented species concepts

Answer 10

focus on monopphyly and phylogenetic traits

Question 11

speciation is ____

Answer 11

cladogenesis

Question 12

ontogeny of speciation

Answer 12

phylogenetic –> biological –> genealogical

Question 13

species delimitation

Answer 13

the process in determining whether a group of organisms are part of the same species or different species