genbio week 4

Question 1

scientists need to organize over how many organisms?

Answer 1

2 million

Question 2

grouping of organisms based on their common ancestors and characteristics

Answer 2

classification

Question 3

the grouping of organisms or classification bases on ____, ____, and _____

Answer 3

size, shape, appearance

Question 4

who classified organism as either plants (plantae) or animals (animalia)?

Answer 4

aristotle

Question 5

aristotle classified organism as either ______– or —–

Answer 5

plantae or animalia

Question 6

who developed the hierarchal system which classifies in levels based on their physical similarities?

Answer 6

carolus linneaus

Question 7

what is the linneaus system of classiciation?

Answer 7

kingdom, phylus, class, order, family, genus, species which is respectively from generl to specific

Question 8

which is the level more specific than genus?

Answer 8

specific epither or species

Question 9

which is the next level which is more general than the family?

Answer 9

order

Question 10

which levels are more specific than order?

Answer 10

genus, species, family

Question 11

which is the most general level?

Answer 11

kingdom

Question 12

in modern classification, biologists now group organisms according to their _________

Answer 12

evolutionary relationships

Question 13

what are the criteria that scientist use to classify organisms?

Answer 13

structural similarities, biochemical analysis, and embryology

Question 14

one of the criteria; similar fossils or anatomy

Answer 14

structural similarities

Question 15

one of the criteria; DNA, proteins, and amino acids

Answer 15

biochemical analysis

Question 16

one of the criteria; similar embryos

Answer 16

embryology

Question 17

the study of the evolutionary relationships among the group of organisms

Answer 17

phylogeny

Question 18

is a construct that represents a “tree-like” structure that shows the evolutionary relationships among a group of organisms

Answer 18

phylogenic tree

Question 19

phylogenic tree shows ________ traits deveoped

Answer 19

when in time

Question 20

you can use _______ to find the most primitive and find the organisms that are the most closely related

Answer 20

phylogenic tree

Question 21

old, simple

Answer 21

primitive

Question 22

in the phyogenic tree, the most primitive is on the

Answer 22

bottom left

Question 23

in the phylogenic tree, the most recent species are to be found in the ____

Answer 23

top right

Question 24

what is the classification based on common ancestry?

Answer 24

cladistics is the classification which is based on common ancestry

Question 25

it is a common method to make evolutional trees called

Answer 25

cladogram

Question 26

classification is based on desired traits and species is placed in order that they descended from common ancestor

Answer 26

cladistics