Systematics

Question 1

Systematics

Answer 1

Studies the diversity of life and its evolutionary relationships

Question 2

Goals of systematics

Answer 2

1) Taxonomy : identify and name

2) Phylogeny : evolutionary relationships

Question 3

Taxonomical Hierachy

Answer 3

1) Domain
2) Kingdom
3) Phylum
4) Class
5) Order
6) Family
7) Genus
8) Species

Question 4

Scientific name ?

Answer 4

Made up of genus and species. Developed by Linnaeus (1700’s). Binomial Nomenclature. Father of taxonomy.

Question 5

Characters used to classify (5)

Answer 5

Morphological, behavioral, homologous, ancestral, and derived

Question 6

Morphological characters ?

Answer 6

What something looks like. Morphology = form

Question 7

Homologous characters

Answer 7

Similar structures “same origin”. Different function

Question 8

Ancestral characters

Answer 8

All members have. Helps distinguish groups

Question 9

Derived characters

Answer 9

More important. Novel characters.

Question 10

Evolutionary lineages (3)

Answer 10

Monophyletic, Paraphyletic, Polyphyletic

Question 11

Monophyletic

Answer 11

Ancestor and all descendants

Question 12

Paraphyletic

Answer 12

Ancestor and some descendants

Question 13

Polyphyletic

Answer 13

Different most recent ancestors

Question 14

Cladistics

Answer 14

A way of studying systematics using derived characters to build evolutionary relationships

Question 15

Out group ?

Answer 15

Doesn’t have any derived characters but has ancestrals. Comparison group.