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WorksheetsMarine Invertebrates
Total questions: 15
Worksheet time: 8mins
This animal exhibits...
Radial Symmetry
Bilateral Symmetry
no symmetry
An organism can be divided into equal halves by drawing any number of lines through center.
Bilateral Symmetry
Radial Symmetry
Asymmetrical
This animal has what symmetry?
Bilateral
Asymmetric
No symmetry
Radial
This animal has what type of symmetry?
Bilateral
Radial
No Symmetry
Asymmetric
What phylum does a sea star belong to
Echinoderm
Nematoda
Arthropoda
Platyhelminthes
What does the word echinoderm mean?
Striped skin
Spiny skin
Spiky skin
Soft skin
A network of water filled canals with thousands of tubes connected to it.
tube feet
sea star
water vascular system
endoskeleton
An echinoderm with five arms arranged around a center point.
sea cucumber
sea star
sand dollar
tube feet
Hollow thin walled tubes that each end in a suction cup
tube feet
tentacles
sand dollar
sea star
Echinoderms have no head or brain.
True
False
What is the process of regeneration?
When an animal sheds its exoskeleton.
When an animal can clean the ocean floor.
When an animal can regrow a body part.
When an animal recycles plastic bottles and cans.
what are the two body forms of a cnidarian?
polyp and medusa
medusa and sessile
polyp and sessile
medusa and radual
Which examples are cnidarians
jellyfish
sponges
earthworms
starfish
What is an invertebrate?
An animal that has a shell
An animal that lives in the water
An animal with no backbone
An animal that can fly
Cnidarians live in:
terrestial habitats
aquatic habitats
