Molluscan Characteristics
Arthropods, annelids, and mollusks share a common character is presences of:
nucleus
ocelli
protostomes
stomata
protostomes
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In molluscan outer layer of shell is called:A. periostracum
B. mantle
C. ocelli
D. protostome
Phylum Echinodermata, hemichordate and Chordata shares a characteristic i.e. presence of the:
A. deuterostome
B. protoplast
C. protostomes
D. trochophore
Sometimes deuterostomes have a kidney bean-shaped larva known as:
A. trochophore
B. dipleurula
C. tadpole
D. Muller’s larva
Study of similarities and differences in early development of an animal is called:
A. development
B. comparative embryology
C. embryology
D. endocrinology
Process of gaseous exchange, excretion, elimination of digestive waste are carried out by:
A. body mass
B. ocelli
C. mantle
D. protostome
Body of molluscan includes foot, head and:
A. body mass
B. wings
C. pseudopodia
D. flagella
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