1

Question 1

Protoplasmic level

Answer 1

Protozoans

Question 2

Cellular level

Answer 2

Sponges

Question 3

Tissue level

Answer 3

Coelenterates and ctenophores

Question 4

Organ level

Answer 4

Platyhelminthes

Question 5

Organ system level

Answer 5

Aschel Annelids, arthropods, mollusks, echinoderms - Chordata

Question 6

Cell aggregate

Answer 6

Sponges

Question 7

Blind sac type

Answer 7

Coelenterates to platyhelminthes
A-c incomplete single opening ( both mouth Anus )

Question 8

Tube with in tube type

Answer 8

Namathelminthes ( Aschel) to Chordata
A. C complete

Question 9

Open type

Answer 9

A T E M
Arthropods tunicates( lower chordates urochordate) echinoderms molluscs hemi
Blood is pumped out of heart and cells, tissues are directly bathed

Question 10

Closed type

Answer 10

CAC
Cephalopod mollusca Annelida chordate( except urochordata)
Blood is circulated through a series of vessels of varying diameters(arteries, veins blood capillaries)

Question 11

Asymmetry

Answer 11

Sponges
Any plane

Question 12

Asymmetry sponges exception

Answer 12

Sycon, leucosolenia exhibit radial sym

Question 13

Radial symm

Answer 13

Codenterates:clenophores echinoderms [adults]
Any plane thru central axis into identical halves

Question 14

Bilateral symm

Answer 14

Platy to chordates
Divided into identical left and right in ONLY ONE PLANE

Question 15

Diploblastic

Answer 15

colenterates ctenophores
Ectoderm endoderm mesoglea

Question 16

Triploblastic

Answer 16

Platy to chordates
Ectoderm ⬅️mesoderm ⬅️endoderm.

Question 17

Coelomaties

Answer 17

Annelid. To chordates
Coelom + nt

Question 18

Pseudocoelomates

Answer 18

Aschel
Mesoderm is present as scattered pouches

Question 19

Acoelomates

Answer 19

PLaty
Absent coelom

Question 20

Pseudometameric

Answer 20

Tape wormplaty

Question 21

Metameric

Answer 21

Annelids arthropods chordates

Question 22

Protostomiates

Answer 22

Platy to mollusca
Blastopore → mouth [originate first)

Question 23

Deuterostomiates

Answer 23

Echinoderms hemico chordates
Blast pore → Anus

Question 24

N C +nt as false structure

Answer 24

Hemichordata
As a buceal diverticulum or stromochord

Question 25

NC +nt in only tail of larva

Answer 25

Subphylum- Urochordata

Question 26

NC+ n.t. In head to tail

Answer 26

Subphylum cephalochordata

Question 27

NC partially replaced by vertebrate column

Answer 27

Cyclostomata chandrichthyes ( cartilages fishes)
Both NC vertebrate present

Question 28

NC totally replaced by vertebral

Answer 28

Ostechanges [bony fishes] to tetrapod [ amphibian🐸reptilia🐊 aves🦚 Mammalia🐳