Is this a question or a moment of someone needing advice?
Epithelial tissue is the type of tissue that lines the body cavities.
Answer:
They are usually found in the center and they are called embyro sacs.
Explanation:
Darwin finally consolidated all of his observations into his famous book
On The Origin of Species, drastically and controversially altering the
scientific view on the biological origins of life. I learned this a little while ago in my school, I kept notes!! Hope this helps!! <3