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Life Science 4.1.5 - 4.2.1

Across
Octopuses and shrimp are ______
Type of appendages arthropods have
Largest group within the arthropods
These can carry objects 50 times their own weight
One defense used by octopuses
Echinoderms use _____ feet to move
Combines the head and thorax
Arthropods have tremendous _____ for their size
The largest mollusk is the Giant ____
Stomach foot
Sea stars and brittle stars are types of these
Mollusk comes from a Latin word that means ____
Used to scrape food or bore holes
Down
This can result from a grain of sand irritating a mollusk
Most mollusks have these
Type of skeleton a sea star has
Octopuses are considered to be the most _____ invertebrate
Most bivalves are _____ feeders
Clams are in this group of mollusks
Found between the head and abdomen
Sea _____ can grow over a meter long
There are over 100,000 species of this phylum
Exoskeletons don't grow, so they have to ___