PHYLUM-HEMICHORDTA with example
Answers
Answer:
worm like structure marine animals with organ system level of organization
bilaterally symmetry
example:- balanoglossus and saccoglossus
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Answer:
Explanation:
HEYA USER
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These animals are also called as Acorn Worms. They were initially grouped under Phylum Chordata. But, research has proven that none of these organisms does not have a post-anal tail or even the notochord, which is a distinguishing feature of chordates. Hence, these animals have been given a separate phylum, called the Hemichordata.
FEATURES OF HEMI CHORDATA:-
1. Hemichordata is bilaterally symmetrical
2. Triploblastic animal.
3. They are typically marine animals.
4. They possess self constructed tube.
5. Hemichordata have a true body cavity or coelom.
6. The digestive tract is complete with an anus.
7. A buccal diverticulum is present in the proboscis.
8. Circulatory system in open type.
9. Respiration occurs through gills.
10. They perform sexual reproduction.
11. Fertilization is external.
Examples are:-
1. Balanoglossus gigas
2. Saccoglossus
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