porifera

Question 1

parazoology

Answer 1

study of sponges

Question 2

metazoan phylum without embryonic germ layers

Answer 2

poriferra

Question 3

are true tissues present in sponges

Answer 3

No

Question 4

are nervous cells present in sponges

Answer 4

No💜

Question 5

TWO characteristic features of sponges

Answer 5

aquiferous system

highly totepotent nature of sponges

Question 6

who coined the term poriferra ?

Answer 6

Robert grant

Question 7

connecting link between protozoa and poriferra

Answer 7

proterospongia

Question 8

sponges evolve from

Answer 8

Chodano flagellate

Question 9

subkingdom of sponges

Answer 9

parazoa

Question 10

fresh water sponges

Answer 10

spongillidae

potamollipidae

Question 11

look thru poriferra diagram pls

Answer 11

..ok

Question 12

between pinacoderm and coanoderm

Answer 12

mesohyl

Question 13

sclerocytes and spongocytes

Answer 13

ameobocyte which produce spicules and spongin fibres

Question 14

archaocytes

Answer 14

totipotent cells (capable of giving rise to other cells)

Question 15

types of spicules in each classification of poriferra

Answer 15

calcarea : calcareous spicules

hexactinellida: silicious spicules
demospongia: proteinaceous fibres and siliceous spicules

Question 16

where is reserve food stored in poriferra?

Answer 16

THESOCYTES

Question 17

what stage of poriferra is dormant in winter?

Answer 17

gemules

Question 18

sexual reproduction occurs in

Answer 18

mesohyl.

Question 19

larva name of porrifera

Answer 19

coeloblastula
amphiblastula
parenchymella

Question 20

cleavage in porrifera is

Answer 20

holoblastic