Search found 1 match

by yarindadon
Tue Mar 13, 2018 9:50 pm
Forum: Zoology Discussion
Topic: hi guys I need your help
Replies: 0
Views: 6292

hi guys I need your help

I was tested today and there was a question: which cell layers are in Porifera ? Ive circled the one that says : 3 cell layers (epidermis endodermis and mesohyl) now I've been told that mesohyl isn't a cell layer... so my questions are : how can I convince them to accept my answer? because I now see...