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What are the three phyla under protostomes?
The three main phyla under protostomes are Annelida (segmented worms), Mollusca (mollusks), and Arthropoda (arthropods). These organisms share a common characteristic of developing their mouths from the first opening formed during embryonic development.
Which of the following groups would an animal with an exoskeleton segmented body and jointed appendages belong to choices mollusks segmented worms cnidarians arthropods?
Athropods. Certainly!
Do mollusks and segmented worms have crops?
I know a segmented worm does.
Which type of animals are believed to have involved from segmented worms?
The arthropods (for instance, centipedes) are believed to have descended from the annelids (segmented worms).
Name the six animal groups that have the organ system level of organization?
1. Roundworm (Nematoda)2. Mollusks (Mollusca)3. Segmented worms (Annelida)4. Arthropods (Arthropoda)5. Chordates (Chordata)6. Echinodermata (Echinodermata)
Which animals evolved from segmented worms?
arthropods (insects ect.)
What types of animals are believed to have evolved from segmented worms?
arthropods
What are the four invertebrate groups?
Porifera (Sponges)Cnidaria (Coelenterates)Flatworms (Platyhelmenthes)Roundworms (Aschelmenthes - Nematode)Segmented worms (Annelids)Mollusks (Soft-Bodied/ hard shelled Animals)Echinoderms (Spiny-Skinned Animals)Arthropods
What is the groups of invertebrates?
sponges+mollusks+arthropods+worms+octopods+echinoderms
What do mollusks and segmented worms have in common?
wat do all the worms have in common
What characteristics of a segmented worm make it a worm?
Annelids are bilaterally symmetric and triploblastic protostomes with a coelom, closed circulatory system and true segmentation. Their segmented bodies and coelom have given them evolutionary advantages over other worms.
Do mollusks and segmented worms share a common ancestor?
Yes these two share common ancestors.
