AY Honor Echinoderms Answer Key
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Echinoderms
Skill Level
2
Year
2012
Version
28.11.2024
Approval authority
South American Division
1
In what environment can echinoderms be found?
2
What does the word Echinodermata mean, the name that characterizes the echinoderms?
3
Name four characteristics of the phylum Echinodermata.
4
What kind of symmetry do the echinoderms have? What does this mean?
5
Name the main characteristics and give five examples of the classes of echinoderms:
5a
Asteroidea
5b
Echinoidea
5c
Ophiuroidea
5d
Holothuroidea
5e
Crinoidea
6
What do you do in the event of an accident with sea urchins?
7
In a practical class identify, discover and explain the function of the following structures:
7a
Starfish:
i
Ambulacral grooves or feet
ii
Madreporite plate
iii
Mouth
iv
Anus
7b
Sea urchins:
i
Aristotle's Lantern
ii
Spines
iii
Mouth
iv
Endoskeleton
8
Make a collection containing 20 pictures or photographs of different species of echinoderms. Include the common name, scientific name, family and order.
9
How do starfish feed?
10
Do some research about sea urchins and some species that have poison.
