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to protect it's soft and delicate body.

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Q: What phylum has three germ layers?
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Which of the animal phyla was the first to evolve three germ layers?

The first animal phyla to evolve three germ layers was the phylum Platyhelminthes. This phylum consists all species of flatworms.


Do arthropods have three embryonic germ layers?

Phylum arthropoda does fall under the Protostomia clade characterized by bilateral symmetry and three germ layers.


How many germ layers do annelids have?

They have two layers the endoderm and ectoderm.


Does porifera have 3 germ layers?

No they do not. I am not certain as to whether they have 0 or 2 germ layers but it is one of the two.


What are the layers in the gastrula?

During blastula there will be two germ layers 1)ectoderm 2)endoderm, after gastrulation , there will be three germ layers 1) Ectoderm 2) Endoderm 3) Mesoderm


How many germ layers do pigs have?

Three cell layers known as the ectoderm, mesoderm, and endoderm. They are also referred to as the primary germ layers, because all of the organs and tissues of the embryo will be formed from them.


What are the three types of germ layers that form tissues and organs in sea urchins?

the three germ layers on a squid are the ectoderm, endoderm and mesoderm


What are three types of germs layers?

The three germ layers are the ectoderm, the mesoderm, and the endoderm.


How many germ layers do chordata have?

First one has three and the second one has two germ layers.


How many germs layers do insect have?

Insects have one germ band that grows. There are three germ layers which can be found on most insects and are responsible for development.


How many tissue layers do phylum platyhelminthes have?

There are three layers: ectoderm, mesoderm, and endoderm.


How many germ layers do anthropods have?

In embryology, animals with bilateral symmetry, like arthropods (and also humans) produce three germ layers. Animals with radial symmetry like echinoderms produce two. Note that the term 'anthropod' should not be confused with 'arthropod' - anthropod is not a phylum nor taxon but is a broader term meaning human or humanoid.