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Mollusca/Arthropoda Test Review

Across
Another name for segmentation
Class of mollusks that lacks a larval stage
Structure that mollusks typically use for locomotion
Primary component of an arthropod's exoskeleton
Structures that bivalves use for respiration
Holds a bivalve's dorsal halves together
Number of shells that bivalves have
Class of mollusks that has a trocophore or veliger larval stage
Allows water to come inside a bivalve
Phylum of animals that includes shrimp, spiders, and insects
Contains a mollusk's major organs
Class of mollusks that includes squids and octopuses
Phylum of animals that includes snails, squids, and oysters
Class of mollusks that includes snails and slugs
Region of an arthropod's digestive tract where you'll find the anus
Down
Region of an arthropod's digestive tract where you'll find the intestines
Region of an arthropod's digestive tract where you'll find the stomach
Secretes a mollusk's shell
Another name for body cavity
Serves to protect a mollusk's soft body from the hostile environment
Animals having three germ layers
Class of mollusks that typically lack shells
Class of mollusks that includes clams and oysters
Type of circulatory system seen in arthropods
Separates the visceral mass and the mantle
The process an arthropod undergoes when it's ready to shed its exoskeleton