Which of the following is not a characteristic feature of phylum Nemathelminthes? (1)Bilateral symmetry,triploblastic,pseudocoelomate (2)They are possibly most abundant amongst the animals (3)The false body cavity allows body wall muscles and digestive tract muscles to act independent of each other (4)Aquatic forms are dioecious and terrestrial forms are monoecious
Answers
'Aquatic forms are dioecious and terrestrial forms are monoecious' is not a characteristic feature of Phylum Nemathelminthes.
Explanation:
1. Most of the organisms in this phylum Nemathelminthes are cylindrical in shape.
2. Their symmetry is of bilateral kind which means that their body can be divided into 2 halves equally by one plane.
3. Also, they possess three germ layers and hence are known as triploblastic organisms.
4. They have false coelom and hence are known to have pseuodocoelom.
5. They perform reproduction of sexual type where two different gametes fuses together.
6. The fertilization occuring in them is internal.
7. The sexes in the organisms of Nemathelminthes phylum are separate which means that are unisexual. It is also known as dioecious.
8. They also have a special organ called aphids which is a chemosensory organ located on their lips.
A phylum with triploblastic acoelomate animals:
https://brainly.in/question/2172081
Information on Phylum Cnidaria:
https://brainly.in/question/13684177
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