Molluscs

Question 1

Are molluscs soft-bodied or hard-bodied?

Answer 1

Soft-bodied

Question 2

Symmetry of Molluscs

Answer 2

Bilateral

Question 3

Coelom of Molluscs

Answer 3

True coelom

Question 4

Ancestral in Molluscs

Answer 4

Ancestral trochophore larva

Question 5

Rasping apparatus in Molluscs

Answer 5

Radula

Question 6

Responsible for locomotion in Molluscs

Answer 6

Ventral muscular foot

Question 7

Molluscs have ____ circulatory systems except:

Answer 7

Open; cephalopods

Question 8

Secretes calcium carbonate to form shells

Answer 8

mantle

Question 9

Mollusca Representatives

Answer 9

Class Polyplacophora
Class Gastropoda
Class Bivalvia
Class Cephalopoda

Question 10

Class Polyplacophora representative specimen

Answer 10

Katharina sp.

Question 11

Class Gastropoda representative specimen

Answer 11

Helix sp.

Question 12

Class Bivalvia representative specimen

Answer 12

Anodonta sp.

Question 13

Class Cephalopoda representative specimen

Answer 13

Loligo sp.

Question 14

Identify: (Number 1, 2, & 3):

https://drive.google.com/file/d/1FATrCSoILL-uwZUZlIqECXM61jXLCkmF/view?usp=drivesdk

Answer 14

1 - Snterior adductor muscle
2 & 3 - Pair of gills

Question 15

Identify (4, 5, & 6):

https://drive.google.com/file/d/1FATrCSoILL-uwZUZlIqECXM61jXLCkmF/view?usp=drivesdk

Answer 15

4 - Mantle layer
5 - Foot
6 - Posterior adductor muscle

Question 16

Identify: (#1-#7)

https://drive.google.com/file/d/1FfAW3nn9tEZbKqyjDHdRdiE1w76BGxnq/view?usp=drivesdk

Answer 16

1 - Fin
2 - Testis
3 - Seminal Vesicle
4 - Penis
5 - Ink sac
6 - Digestive gland
7 - Siphon

Question 17

Identify #8-#14:

https://drive.google.com/file/d/1FfAW3nn9tEZbKqyjDHdRdiE1w76BGxnq/view?usp=drivesdk

Answer 17

8 - Beak
9 - Tentacle
10 - Sucker
11 - Arms
12 - Buccal mass
13 - Eye
14 - Siphon retractor muscle

Question 18

Identify #15-#21:

https://drive.google.com/file/d/1FfAW3nn9tEZbKqyjDHdRdiE1w76BGxnq/view?usp=drivesdk

Answer 18

15 - Ctenidium
16 - Rectum
17 - Kidney
18 - Branchial heart
19 - Systemic heart
20 - Stomach
21 - Cecum

Question 19

Class Polyplacophora are ____ animals (habitat)

Answer 19

Marine

Question 20

Class Polyplacophora feeds on ____

Answer 20

Algae and diatom

Question 21

Are Class Polyplacophora monoecious or dioecious?

Answer 21

Dioecious

Question 22

Habitats of Class Gastropoda

Answer 22

Marine, Freshwater, and terrestrial