Phylogenic Tree

Question 1

Eumetazoa

Answer 1

Tissue level of development

Question 2

Parazoa

Answer 2

Lack tissues

Question 3

Radiata

Answer 3

Radial symmetry, 2 germ layers

Question 4

Bilateria

Answer 4

Bilateral symmetry, 3 germ layers

Question 5

Deutrosomes

Answer 5

Mouth arises from 2nd opening

Question 6

Protosomes

Answer 6

Mouth arises from 1st opening

Question 7

Ecdyzozoa

Answer 7

Periodic molting

Question 8

Lophotrophozoa

Answer 8

Characteristic larvae and DNA sequence

Question 9

Phylums of Dueterosomes

Answer 9

• Chordata

- Echinoderms

Question 10

Phylums of Ecdyzozoa

Answer 10

• Arthopods

- Roundworms

Question 11

Phylums of Lophotrochozoa

Answer 11

• Annelids
• Mollusks
• Flatworms

Question 12

Phylums of Radiata

Answer 12

-Cnidaraia

Question 13

Phylums of Parazoa

Answer 13

-Sponges

Question 14

Cephalization

Answer 14

Bilateria

Question 15

Acoleomates

Answer 15

No coelom

Question 16

Pseudocoloeom

Answer 16

False coelom

Question 17

Coelomates

Answer 17

True colelom

Question 18

Number of heart chambers

• Fish
• Ambibians
• Nonavalian reptiles
• Birds
• Mammals

Answer 18

Fish-2
Ambibians-3
Reptiles-3(4 in crocs)
Birds-4
Mammals-4

Question 19

In the chordates which have endothermic and ectothermic regulation?

Answer 19

Ectothermic-Everything except birds and mammals

Endothermic-Birds and mammals

Question 20

Monotremes

Answer 20

Lay eggs

Question 21

Marsupals

Answer 21

Young complete development in marsupial

Question 22

Placental

Answer 22

Embyro joined to mother by placenta

Question 23

Synapsid

Answer 23

1 skull opening, mammals

Question 24

Anapsids

Answer 24

0 openings in skull, Turtles

Question 25

Diapsids

Answer 25

2 openings in skull, Reptiles