Sponges- Test

Question 1

What is the most common sponge body shape?

Answer 1

Leuconoid

Question 2

What is the simplest sponge body shape?

Answer 2

Asconoid

Question 3

What is the class with 6 rays?

Answer 3

Class Hexactinellida

Question 4

What is the class with spicules (Calcium Carbonate) ?

Answer 4

Class Calcarea

Question 5

What is the class with spicules (Silica)?

Answer 5

Class Demospongiae

Question 6

How do they feed?

Answer 6

Sponges filter feed which means as water filters through them bacteria, algae, bits of organic matter, and other small organisms are trapped and eaten through a process known as phagocytosis

Question 7

Hermaphrodite

Answer 7

An organism, either a plant or an animal, possesses both female and male reproductive organs

Question 8

Sessile

Answer 8

attached to a solid surface, rocks or seafloors, does not move freely

Question 9

Choanocytes

Answer 9

also known as collar cells, have flagella that beats and create current to circulate water their bodies for food gathering and respiratory gas exchange

Question 10

Porocytes

Answer 10

controls water through the ostia

Question 11

Monoblastic

Answer 11

only a single body layer, and no true tissues, organs,organ systems, body cavity

Question 12

Know how to Label Sponge