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Answers
Answer:
the answer is
a) Roundworm
b) ciliated combs
Explanation:
a) Roundworm ( Ascaris lumbricoides ) belongs to the phylum Aschelminthes of Kingdom Animalia.
Earthworm (Pheretima) Nereis, Leech belongs to phylum Annelida of Kingdom Animalia.
- Nereis is an aquatic form and is dioecious i.e. unisexual
- Earthworm and Leech( blood sucking leech is also known as Hirudinaria) is monoecious i.e. bisexual or hermaphrodite.
b) Ciliated combs is the characteristics of phylum Ctenophora of Kingdom Animalia. Ciliated comb plates helps in locomotion and there are 8 external rows of this comb plates on the body.
Tentacles,Gastrovascular cavity,Nematocysts are the characteristics of phylum Cnidaria or Coelentrata.
Tentacles are soft small and thin legs like structure present in many sea animals.
Gastrovascular cavity is present inside the body of cnidarians with single opening,mouth.
Nematocysts are stinging capsules which is in cnidoblasts.