Invertebrates

Which of these is NOT an example of a Mollusca?
Snails
Sea Cucumbers
Clams
Squids
Radial Symmetry means:
Body parts arranged around a central axis
only one plane possible for a mirror image
Which of these is NOT a characteristic of phylum Arthropoda?
Reproduce Rapidly
Usually contain both sex organs
Have an exoskeleton made of chitin
Have jointed feet
Crustaceans are mostly marine
TRUE
FALSE
Phylum Annelida consist of:
The segmented worms
Jointed foot animals
Sponges
Which phylum consist of organisms of no tissues, gut, or segmentation?
Mollusca
Echinodermata
Porifera
Organisms in Phylum Echinodermata are not capable of regeneration.
TRUE
FALSE
Which Phylum has a foot for locomotion and food capture?
Cnidaria
Mollusca
Nematoda
Which is NOT an embryonic tissue layer?
Ectoderm
Mesoderm
Meriderm
Endoderm
Placozoan is the simplest animal existing today
TRUE
FALSE
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