Classifying Organisms

Question 1

What is classification based on?

Answer 1

Degree of similarity between organisms

Question 2

What three words describe what classification needs to be

Answer 2

Precise
Fixed
Of universal application

Question 3

Define taxonomy

Answer 3

Science of naming and classifying organisms within a group

Question 4

Define phylogeny

Answer 4

Evolutionary history of a species of a group of species

Question 5

Define systematics

Answer 5

Science of determining evolutionary relationships among organisms

Question 6

Who created classification system and inclusive hierarchical system?

Answer 6

Carl Linnaean

Question 7

What is a taxon?

Answer 7

Unit of classification

Question 8

What is binomial nomenclature?

Answer 8

Organisms have two part scientific name Genus and Species

Question 9

Which taxa always start with capital letters?

Answer 9

All above species

Question 10

What taxa are in italics?

Answer 10

Genus and species

Question 11

What are 4 ways of classification?

Answer 11

Morphological characters
Fossil record
Embryology
Molecular analysis

Question 12

What is a homologous characteristic?

Answer 12

Features that are related due to common ancestry

Question 13

What are homoplastic (analogous) characteristic?

Answer 13

Features that are similar due to common function but that evolved separately

Question 14

What type of evolution are homoplastic/ analogous a result of?

Answer 14

Convergent evolution

Question 15

What is a shared primitive characteristic?

Answer 15

Character that is shared beyond the group we are trying to define

Question 16

What is a shared derived characteristic?

Answer 16

Evolutionary novel character unique to the group we are trying to define