Pre-Lab: Animal Development A. Define ectoderm - ; root \"derm\" means - root \"
ID: 219010 • Letter: P
Question
Pre-Lab: Animal Development A. Define ectoderm - ; root "derm" means - root "ecto" means What tissues does the ectoderm give rise to in the fully developed animal? B. Define mesoderm - ; root "derm" means - root "meso" means What tissues does the ectoderm give rise to in the fully developed animal? C. Define endoderm ; root "derm" means - root "endo" means What tissues does the ectoderm give rise to in the fully developed animal? 10. During formation of the 3 germ layers the embryo is called a 11. Define invagination - 12. The first invagination forms during morphogenesis as the gastrula is beginning to develop. This opening to the outside of the embryo is caled 13. A. What is the archenteron? B. What does the archenteron eventually develop into in the animal?- 14. When cells of the developing organism begin to develop into mature tissues, the process is called 15. Overall, animal development will follow the following order: Zygote stages blastulagastrula or immature adult stage.Explanation / Answer
Answer A ecto means 'outside' and derm 'skin'.
Ectoderm subsequently gives rise to hair, skin, nails or hooves, and the lens of the eye; the epithelia (surface, or lining, tissues) of sense organs, the nasal cavity, the sinuses, the mouth (including tooth enamel), and the anal canal; and nervous tissue.
Answer B meso means 'middle' and derm means 'skin'.
gives rise to muscle, connective tissue, cartilage, bone, notochord, blood, bone marrow, lymphoid tissue, and to the epithelia (surface, or lining, tissues) of blood vessels, lymphatic vessels, body cavities, kidneys, ureters, gonads (sex organs), genital ducts, adrenal cortex, and certain other tissues.
Answer C endo means 'inside' and derm means 'skin'.
Endoderm turns into the inner lining of some systems, and some organs such as the liver and pancreas.
Answer 10 blastula.
Answer 11 In developmental biology, Invagination is a mechanism that takes place during gastrulation. This mechanism or cell movement happens mostly in the vegetal pole.
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