Lab 1- Taxonomy

Question 1

what letter represents the divergence of plants and animals

Answer 1

B

Question 2

what is the common ancestor of mushrooms and insects

Answer 2

D

Question 3

what is the common ancestor of the Chordates and the Anthropds

Answer 3

A

Question 4

what is the common ancestor of humans and monkeys

Answer 4

F

Question 5

what is the common ancestor of snakes and apes

Answer 5

E

Question 6

what is the common ancestor of humans and apes

Answer 6

C

Question 7

where do frogs/salamanders belong

Answer 7

I

Question 8

where do lobsters belong

Answer 8

H

Question 9

what trait do a gecko and palm tree share

Answer 9

cells with nuclei

Question 10

what trait do the gecko and fly agaric mushroom share

Answer 10

heterotrophic

Question 11

what trait do ALL geckos, palm trees and the fly agaric mushroom share

Answer 11

cells with nuclei

Question 12

what is more closely related to a fungus ANIMAL or PLANT

Answer 12

animal

Question 13

why is an animal more closely related to a fungus than a plant

Answer 13

1. shares more recent CA
2. shares 2 traits

Question 14

what do stick insects, goldfish, dog and kingsnake share

Answer 14

bilateral sysmmetry

Question 15

what trait do the goldfish, dog and kingsnake share

Answer 15

vertebrate

Question 16

what two taxa are more closely related between dogs, kingsnakes, stick insect and the goldfish

Answer 16

kingsnake and dog

Question 17

what trait do the kingsnake and dog share ONLY

Answer 17

amniote

Question 18

what must each trait be in a dichotomous key

Answer 18

mutually exclusive

Question 19

how are couplets designed in a dichotomous key

Answer 19

with numbers and lowercase letters
(1a and 1b) (2a and 2b)

Question 20

what does each step do in a dichotomous key

Answer 20

distinguishes the organisms into smaller units

Question 21

what do the beginning couplets in a dichotomous key tend to focus on

Answer 21

general characters

Question 22

later couplets in a dichotomous key tend to focus on

Answer 22

increasingly specific traits

Question 23

what should couplets in a dichotomous key NOT be based on

Answer 23

1. relative size
2. subtle differences in colour
3. general shape
   (A trait that can be ambiguous)

Question 24

what should each couplet in a dichotomous key contain

Answer 24

more than on characteristics

Question 25

true or false
its good form to use the statement “not of above characters” in a dichotomous key

Answer 25

FALSE

Question 26

three parts of taxonomy

Answer 26

1. classification
2. nomenclature
3. identify

Question 27

three domain systems

Answer 27

Archae, Bacteria, Eukarya

Question 28

Classification Hierarchy

Answer 28

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 29

Evolutionary history of
group of related organisms are represented in a

Answer 29

tree

Question 30

Branching in a phylogeny reflects

Answer 30

evolutionary relationships
(lineages)

Question 31

Nodes represent the

Answer 31

common ancestor of
lineages after branch point

Question 32

Dichotomous Keys used to

Answer 32

o identify unknown specimens

Question 33

binomial names

Answer 33

genus + specific epithet = species