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What are the phyla's?

In no particular order: Chordates Echinodermata Platyhelminthes (Flatworms) Nematodes (Roundworms) Annelids (Segmented Worms) Arthropods Porifera (Sponges) Molluscs (Shells)


What are two organisms that have segmented body plans?

The types of organisms which have segmented bodies include annelids, arthropods, echinoderms, and chordates. Some of the most obvious examples of segmentation are found in insects which belong to the arthropods.


Do chordates and echinoderms have a common ancestor?

yes


What are the 6 kingdoms of classification?

FungiProtistaAnimilaPlantaeBacteriaArcheabacteria6 kindoms:plantsanimalsfungiprotistsarchaeeubacteria


Are Chordates and echinoderms are both protostomes?

Neither are protostomes. Chordates, Hemichordates, and Echinoderms are all deuterostomes (in that the blastopore forms the anus first). In protostomes, the blastopore forms the mouth first.


What are the 7 animal groups that have endoderm mesoderm and ectoderm?

Rotifera, Platyhelminthes,Annelida,Mollusca,Nematoda,Arthropodaand Echinodermata.Cnidariaonly have two germ layers and Poriferado not have any germ layers because they don't have true tissues.


What are echinoderms considered to be closely related to chordates?

both have deuterostome development...(:


Why are Echinoderms considered to be closely relate to chordates?

both have a nerve cord


Are chordates eukaryote?

Chordates are a group of animals which include vertebrates (animals having a spinal column), so yes, birds are chordates.


Do all arthropods have a dorsal nerve cord?

No, these are specific to Chordates


how do lower chordates survive on their adaptive features?

echinoderms, cnidaria and other forms


Are all deuterostomes coelomates?

Coelomates are either deutermostomes or protostomes. A protostomes have spiral cleavage lie mollusks, annelids, and arthropods. A deutermostomes has radial cleavage such as echinoderms, and chordates.