Please answer fast Structures:1. Tube feet2. Madreporite3. Ambulacral groove4. Papulae (aka skin gills or dermal branchiae)5. Stomach6. Arm7. Aristotle's lantern8. Teeth9. Water vascular system10.SpinesFunctions:A. Projections from the surface of echinoderms, often hard calcareous in sea urchins or shortand soft in other classes.B. Calcareous structures used for feeding in sea urchinsC. Soft sac-like projections through the outer hard plates or shell. They function as gills in gasexchange and for waste removal. Also called skin gills or dermal branchiae.D. The water filled hydraulic system of tubes in echinoderms. Tube feet form part of thissystem.E. A bag-like part of the digestive system for food storage. In sea stars, the stomach is evertedfrom the inside of the body to the outside where it envelopes food.F. Flexible hollow (water filled) tubes with a sucker-like end that protrude from theechinoderm body used for locomotion or/and feedingG. Opening covered by a plate that filters and allows water to enter the echinoderm watervascular system. Also called a sieve plate.H. Grooves along the ventral surface of sea star arms often where the tube feet protrudeBody projections of sea stars and brittle stars, often in multiples of 5.J. The mouthparts, including the 5 teeth of sea urchinsI. Question 9Name and match this structure with its function. [HINT: The structure name has 2 words]AWXRAQuestion 10KName and match structure J with its function. [HINT: The structure name is a single word]

These structures as mentioned in the hint are of the Echinodermata phylum. These are the group of…

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Biology

K Name and match structure J with its function. [HINT: The structure name is a single word]

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter23: Animals I: Major Invertebrate Groups

Section: Chapter Questions

Problem 13SA

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Question

Please answer fast

Structures:
1. Tube feet
2. Madreporite
3. Ambulacral groove
4. Papulae (aka skin gills or dermal branchiae)
5. Stomach
6. Arm
7. Aristotle's lantern
8. Teeth
9. Water vascular system
10.
Spines
Functions:
A. Projections from the surface of echinoderms, often hard calcareous in sea urchins or short
and soft in other classes.
B. Calcareous structures used for feeding in sea urchins
C. Soft sac-like projections through the outer hard plates or shell. They function as gills in gas
exchange and for waste removal. Also called skin gills or dermal branchiae.
D. The water filled hydraulic system of tubes in echinoderms. Tube feet form part of this
system.
E. A bag-like part of the digestive system for food storage. In sea stars, the stomach is everted
from the inside of the body to the outside where it envelopes food.
F. Flexible hollow (water filled) tubes with a sucker-like end that protrude from the
echinoderm body used for locomotion or/and feeding
G. Opening covered by a plate that filters and allows water to enter the echinoderm water
vascular system. Also called a sieve plate.
H. Grooves along the ventral surface of sea star arms often where the tube feet protrude
Body projections of sea stars and brittle stars, often in multiples of 5.
J. The mouthparts, including the 5 teeth of sea urchins
I.

Question 9
Name and match this structure with its function. [HINT: The structure name has 2 words]
AWXRA
Question 10
K
Name and match structure J with its function. [HINT: The structure name is a single word]

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