endoderm

What Animals Have 3 Germ Layers?

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What Animals Have 3 Germ Layers? There are three germ layers in an early embryo of an animal: ecto-, meso- and endo-derms: this is true for triploblastic animals. Animal phyla Porifera What are an animals 3 germ layers? Animals with bilateral symmetry develop three germ layers: an inner layer (endoderm), an outer layer (ectoderm), and

What Is Derived From The Ectoderm?

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What Is Derived From The Ectoderm? The tissues derived from the ectoderm are: some epithelial tissue (epidermis or outer layer of the skin, the lining for all hollow organs which have cavities open to a surface covered by epidermis), modified epidermal tissue (fingernails and toenails, hair, glands of the skin), all nerve tissue, salivary glands,