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Three layers develop in an embryo .
There are three layers: ectoderm, mesoderm, and endoderm.
There are three layers: ectoderm, mesoderm, and endoderm.
Phylum Platyhelminthes have three tissue layers: ectoderm, mesoderm, and endoderm.
Ectoderm
yes
a falling away of tissue in layers is exfoliation
how many tissue layers do the phylum arthropoda have
Embryonic Connective tissue: mesenchyme
Flatworms are usually categorized under the phylum Platyhelminthes.
Embryonic, due to the Embryo Embryonic, due to the Embryo
The ovule of an angiosperm, which will eventually become a seed, is surrounded by integuments. They are layers of protective sporophytic tissue that eventually develop into the seed coat.