Animal Digestive System

Question 1

Porifera

Answer 1

Lack complex digestive system, suspension feeders, intracellular digestion

Question 2

Cnidaria

Answer 2

Incomplete digestive tract (only has one opening for ingestion and elimination), digestion takes place in the gastrovascular cavity, suspension feeders

Question 3

Platyhelminthes

Answer 3

Incomplete digestive tract, deposit feeders ( swallows organic rich sediments and other type of deposited materials)

Question 4

Annelida

Answer 4

Incomplete digestive tract, deposit feeders

Question 5

Mollusca

Answer 5

Complete digestive tract ( mouth for ingestion, anus for elimination), suspension feeders

Question 6

Arthropoda

Answer 6

Complete digestive tract, mass feeders ( seize and manipulate foods by using teeth or jaw )

Question 7

Echinodermata

Answer 7

Complete digestive system, suspension feeders

Question 8

Chordata

Answer 8

Complete digestive system, mass feeders

Question 9

Nematoda

Answer 9

Complete digestive tract, suspension feeders