From WebRef.org
Revision as of 20:29, 17 September 2019 by Webref (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigationJump to search

having two primary germ layers (ectoderm and endoderm)

Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby

Sponsor: Feed your intelligence with original documentaries from CuriosityStream. 30 days free!