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WorksheetsChapter 13 (DGF)
Total questions: 34
Worksheet time: 17mins
Name
Class
Date
1.
Thin layer of tissue that cover mollusks organs
a)
Mantle
b)
Gills
c)
Open Circulatory System
d)
Radula
2.
Organs that exchanges carbon dioxide for oxygen and water
a)
Gills
b)
Open Circulatory System
c)
Radula
d)
Closed Circulatory System
3.
Open space around organs that the heart moves blood to
a)
Open Circulatory System
b)
Radula
c)
Closed Circulatory System
d)
Setae
4.
Tonguelike organ with rows of teeth, it scrapes/tears food off of things
a)
Radula
b)
Setae
5.
Place where blood that contains food, and water can move through closed vessels
a)
Closed Circulatory System
b)
Gissard
6.
Bristle Like structure on the outside of body segments
a)
Setae
b)
Crop
7.
A sac that stores soil ingested by an earthworm
a)
Crop
b)
Molting
8.
Structure that grinds soil and bits of organic matter
a)
Gizzard
b)
Tube feet
9.
Jointed structures
a)
Appendage
b)
Aouracles
10.
hard outer covering
a)
Exoskeleton
b)
Mantle
11.
the process through which an animal sheds its exoskeleton and grows a new one
a)
Molting
b)
Appendages
12.
opening on the abdomen and thorax through which air enters and waste gases leave
a)
Spiracles
b)
Mantal
13.
Hollow thin-walled tubes that have suction cups at the end
a)
Tubed-Feet
b)
Tenticals
14.
Changes animals bodies go through as they grow
a)
Molting
b)
Metamorphosis
15.
Network of water, filled canals with thousands of tube feet connected
a)
Water Vascular-System
b)
Appendages
16.
Soft bodied invertibrates with bilateral symmetry and usually one or two shells
a)
Mollusks
b)
Annelid
17.
Thin layer of tissue that covers body organs and secretes the shell
a)
Mantel
b)
Radula
18.
Area between the body and mantel that contains the gills
a)
Mantel cavity
b)
Brain cavity
19.
What moves blood through vessels into open areas around organs
a)
Open Circulatory-System
b)
Closed Circulatory-System
20.
How many groups are mollusks classified
a)
3
b)
5
21.
What group of Mollusks usally have a single foot
a)
Gastropods
b)
Cephalopods
22.
What are three gastrapods
a)
Snails, Conchs, Slugs
b)
Octopus, Squid, Cuttlefish
23.
What are three Bivalves
a)
Clams, Oysters, Scallops
b)
Snails, Conchs, Slugs
24.
What are three cephalopods
a)
Squid, Octopus, Cuttel fish
b)
Clams, Oysters, Scallops
25.
What Mollusks have a hinged two-part shell
a)
Bivalves
b)
Cephalopods
26.
What Mollusks have a well-developed head and many tentecals;Most complex
a)
Cephalopods
b)
Gastropods
27.
Moves blood through closed valves
a)
Closed circulatory-system
b)
Open circulatory-system
28.
Bristle-like structures used to hold onto soil and to move
a)
Setae
b)
Setea
29.
What kind of symmetry do annelids and segmented worms have
a)
Bilateral
b)
Asymmetrical
30.
Hard exoskeleton covered by a thin bumpy spiny epedermis; radial symetery
a)
Enchinoderms
b)
Arthropods
31.
What dont echinoderms have
a)
Brain and Head
b)
Mouth, stomach, intestines
32.
What do enchinoderms have
a)
Mouth, Stomach, Intestines
b)
Brain, Head
33.
Allows Echinoderms to move, exchange carbon dioxide and oxygen, capture food, releas wastes
a)
Water Vascular System
b)
Blood Vascular System
34.
Have at least 5 arms arranged around a central point;reproduce sexually
a)
Sea Star
b)
Sea Earchin
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