Taxonomy Review

Question 1

How many species have been currently named and classified?

Answer 1

over 2 million

Question 2

What did Carolus Linneaeus develop?

Answer 2

hierarchical categories according to structure and form

Question 3

What did Aristotle classify the first system by?

Answer 3

plants or animals and where the lived (land, air, water)

Question 4

how many levels were in the original linnaean system?

Answer 4

7

Question 5

What is the largest level in the modern linnaean system?

Answer 5

domain

Question 6

how many levels are in the modern linnaean system?

Answer 6

8

Question 7

What is the smallest level in the modern linnaean system?

Answer 7

species

Question 8

What is the llinnaean system in order from biggest to smallest?

Answer 8

domain, kingdom, phylum, class, order, family, genus, and species

Question 9

subspecies

Answer 9

variations of a species that live in different geographic areas

Question 10

Binomial classification is always written in what ?

Answer 10

italics or underlined

Question 11

what are the two systematics?

Answer 11

taxonomy and phylogenetics

Question 12

what is the goal of systematics?

Answer 12

to classify organisms in term of their natural relationships

Question 13

phylogeny

Answer 13

evolutionary history of a species or taxon

Question 14

what does phylogenetics compare?

Answer 14

patterns of embryonic development of DNA and RNA

Question 15

what is cladistics?

Answer 15

a system of phylogenetic analysis that uses shared and derived character as the only criteria for grouping taxa

Question 16

clade

Answer 16

group of organisms that share one or more derived characters

Question 17

molecular cladistics

Answer 17

• use the count of shared, derived amino acids to hypothesize relationships
• independent of physical similarities and differences

Question 18

karyotyping is…

Answer 18

a test to examine chromosomes in a sample of cells

Question 19

analyzing karyotypes help…

Answer 19

shed light on evolutionary relationships

Question 20

tree of life is divided into what groups?

Answer 20

2: eukaryotes and prokaryotes

Question 21

domain bacteria

Answer 21

• small
• single celled prokaryotes
  -lack organelle complex