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raketka [301]
3 years ago
14

Molecular evidence has led taxonomists to group bilaterally symmetrical animals in one of three clades: Deuterostomia, Lophototr

ochozoa, or Ecydysozoa. Give one distinguishing characteristic of these of these groups other than molecular differences.
Biology
1 answer:
Likurg_2 [28]3 years ago
5 0

Answer:

One distinguishing characteristicof all three clades i.e Deuterostomia, Lophototrochozoa, or Ecydysozoa are  balstopore development, internal body cavity and exoskeleton respectively

Explanation:

Apart from molecular difference, there exist structural differences between the three clades, which are as follows –  

Deuterostomia – The development of embryo is different from the protostomes as the first opening in this clade is anus and the blastopores develops into the anus.

Lophototrochozoa – They do not have ant distinguished internal body cavity. Organs with in coelom can move freely. For example - flatworm

Ecydysozoa – have the ability to shed their tough and flexible exoskeleton i.e cuticle , several times throughout their life span

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