Porifera

Question 1

What body shape does porifera exhibit

Answer 1

Asymmetrical

Question 2

What occupies the inside of its body?

Answer 2

Spongocoel

Question 3

What is the sponge’s habitat

Answer 3

Marine and Freshwater

Question 4

It exhibits what mode of nutrition?

Answer 4

Holozoic (carnivorous, omnivorous, hebivorous)

Question 5

It is a _____ feeder

Answer 5

Filter

Question 6

These are the specialized cells of the sponge

Answer 6

Choanocytes

Question 7

How are the groups of phylum porifera classified?

Answer 7

presence of spicules or spongin in the body

Question 8

Name the groups of Porifera

Answer 8

Homoscleromorpha, Demospongiae, Hexatinellida, Calcarea

Question 9

Smallest group (in terms of species) of porifera

Answer 9

Homoscleromorpha

Question 10

Most diverse group of porifera

Answer 10

Demospongiae

Question 11

This group of phylum porifera is known for its ability to conduct electrical impulses

Answer 11

Hexatinellida

Question 12

The sponge takes the shape of what

Answer 12

Cylindrical with hollow center

Question 13

Hexatinellida is also known as

Answer 13

glass sponge

Question 14

Calcarea got their name due to

Answer 14

having spicules that are composed of Calcium carbonate

Question 15

Porifera have ___ internal organs, nervous tissue, circulatory systems, or digestive systems

Answer 15

no

Question 16

Its circulatory system is called?

Answer 16

Canal System

Question 17

sponges depend on the _________ of their choanocytes

Answer 17

intracellular digestive processes