Which is NOT TRUE about embryonic germ layers? Group of answer choices The endoderm is the...
Which is NOT TRUE about embryonic germ layers?
Group of answer choices
The endoderm is the innermost layer
Not all animals have these germ layers
All eumetazoans have a mesoderm
Cell differentiation leads to germ layers
The become all the tissues in the adult
Homework Answers
Answer:
Choice- C
Eumetazoans clad include Ctenophora, Bilateria and Cnidarians. Cnidarians has got only ectopic and endoderm, separated by jelly like mesoglea, no mesoderm.
Endoderm is inner most layer. Mesoderm in middle and outer ectoderm.
Sponges have no 3 layers. Animals with 2 germ layers are called diploblastic eg cnidarians.
Cell differentiation form all 3 layers and derive to all tissues of adult.
Add Answer to:
Which is NOT TRUE about embryonic germ layers?
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Part a: Name all embryonic germ layers that
would have contributed to the tissues visible in the drawing (name
which visible tissue would have originated from which germ
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present by giving examples
Part c: Name up to three tissues types that are
not represented in this drawing (if any are not represented).
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