

Echinodermata, Mollusca, arthropoda
Presentation
•
Science
•
7th Grade
•
Medium
Standards-aligned
Clayton Justice
Used 2+ times
FREE Resource
6 Slides • 8 Questions
1
Radial Symmetry
Endoskeleton
Hard, spiny skin.
Sea stars, Sand dollars, and sea urchins
Echinodermata
2
3
4
Soft bodied organisms.
Bi-lateral symmetry
Snails, slugs, clams, and octopus.
Most have a hard shell.
Mollusca
5
6
7
Multiple Choice
Mantle
Trochophore
Foot
Visceral Mass
8
Multiple Choice
Which part of the Mollusk body contains most of the organs?
Foot
Visceral Mass
Trochophore
Mantle
9
Multiple Choice
Mollusk's tongue-like strip covered with teeth that point backward is called the ____ Note: clams have labial palps but not this structure.
trochopore
radula
gills
visceral mass
10
Multiple Choice
Which of the following is true of all mollusks?
they have shells
they have soft bodies
they have segments
they have a closed circulatory system
11
Multiple Choice
What type of body symmetry do all adult echinoderms have?
Bilateral
Asymmetrical
Radial
All the above
12
Multiple Choice
What phylum do sea stars, sea urchins, sand dollars, brittle stars, and sea cucumber belong to?
Animalia
Annelida
Echinodermata
Mollusca
13
Multiple Choice
Exoskeleton
Adductor muscles
Spicules
Endoskeleton
14
Multiple Choice
Hard shell
Many arms
Soft bodied
Spiny skin
Radial Symmetry
Endoskeleton
Hard, spiny skin.
Sea stars, Sand dollars, and sea urchins
Echinodermata
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