CLASSIFICATION
NINE COMMON ANIMAL PHYLA
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Most have a shell
|
|
|
No body segments
|
|
|
Simplistic organ system
|
|
|
Bilateral symmetry
|
Detailed explanation-1: -Mollusca can be found in freshwater, marine and terrestrial habitats. More features of molluscs include bilateral symmetry, soft or unsegmented bodies, respiration via ctenidium, ganglia/nerve comprised nervous system, haemocoel body cavity, etc.
Detailed explanation-2: -The cephalopods are a class of mollusks containing marine mollusks characterized by bilateral body symmetry, a prominent head, and tentacles. Examples of cephalopods include squid, octopus, cuttlefish, and nautilus.
Detailed explanation-3: -The animals belonging to the phylum Mollusca have soft-bodies, triploblastic and bilaterally symmetrical and coelomate. The study of Mollusca is called Malacology. They are sluggish invertebrates, with a thin fleshy envelope or mantle covering the visceral organs.
Detailed explanation-4: -No, all of the members of the mollusc phylum display bilateral symmetry. Examples of molluscs include snails, clams, octopi, squids, and muscles.