There are three layers of embryonic tissue present in the pig. These layers are called the ectoderm, mesoderm and the endoderm.
20 layers off skin
It has always been a debate. Mesenchymal musculature in the middle tissue layer of ctenophores has invited speculation that they are triploblastic.
around 30 to 40
there are four different types of plant tissue. im not sure what they are but i know that there is four....im pretty sure. haha ---- Yes there is four, and i if you want to know what they are and what they do go to my wikipedia page: http://en.wikipedia.org/wiki/User:Deo_Favente -------------------------------------------------------------- The four different types of plant tissue include Ground Tissue, Meristematic Tissue, Dermal Tissue, and Vascular Tissue.
There are 2 types of layers in shared pool.........1.data dictionary cache layer2.library cache layer
how many tissue layers do the phylum arthropoda have
Sponges have two germ layers therefore they are diploblastic.
Three
Phylum Platyhelminthes have three tissue layers: ectoderm, mesoderm, and endoderm.
There are three layers: ectoderm, mesoderm, and endoderm.
two layers but so have three
It contains four layers
three
3
three
Four layers of tissue form the walls of the digestive tract. These layers are called mucosa, submucosa, muscularis externa and adventitia.
Skin consists of three layers of tissue.