What symmetry pattern do humans possess? Which part of the human body is said to be the dorsal part?
Asked by Topperlearning User | 10th Jul, 2014, 01:14: PM
Because the left side of the body is equal and identical to the right side of the body, humans possess bilateral symmetry. Being chordates, humans show the presence of a dorsal notochord during embryonic development which is later replaced by the vertebral column. Hence, the back side or rear of the human body is the dorsal part.
Answered by | 10th Jul, 2014, 03:14: PM
- Define metamerism.
- State any two phyla of non-chordates which have radial symmetry as their characteristic feature.
- What is a true coelom?
- What are diploblastic animals?
- Name the embryonic layers present in diploblastic animals.
- Define notochord.
- Why is it said that echinoderms show secondary radial symmetry?
- Justify the statement. Ascaris is described as a pseudocoelomate.
- Distinguish between diploblastic and triploblastic animals.
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