In most triploblastic, after embryonic development, the three layers are represented as?
Correct answer: D. Structures formed from them
- A. Separate layers of cells
- B. Structures associated with them
- C. Their functions in body
- D. Structures formed from them
Explanation
Option A is wrong because, in triploblastic animals, the three layers represent the structures formed from them instead of separate layers of the cells. Option B is wrong because, in most triploblastic animals, the three germ layers represent structures formed from them instead of structures associated with them. Option C is wrong because, in most triploblastic animals, the three germ layers represent structures formed from them instead of their functions in the body. Option : D Gastrulation is a key phase in embryonic development when pluripotent stem cells differentiate into three primordial germ layers. It is characterized by movement and rearrangement of cells in the embryo. After embryonic development, in most triploblastic animals, three layers are represented as structures formed from them.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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