Which phylum onwards all phyla show tube within tube body plan?

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Which phylum onwards all phyla show tube within tube body plan?

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Last Answer : Porifera(sponges) and Nematoda(roundworms).

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Last Answer : Animlas which are triploblatic with tube- within - tube type of body plan and embryonic ... Annelids B. Molluscs C. Platyhelminthes D. Echinoderms

Description : Which of the following animals has tube- within-tube type of body plan evolved along deuterostomic evolutionary line ?

Last Answer : Which of the following animals has tube- within-tube type of body plan evolved along ... Annelids B. Arthropods C. Echinoderms D. Molluscs

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Last Answer : In which of the following phyla, the adult shows radial symmetry while the larva has bilateral ... Mollusca B. Cnidaria C. Echinodermata D. Annelida

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Last Answer : (a) Prawn has two pairs of antennae.

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Last Answer : (a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct

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Last Answer : (a) Pila (i) Body segmented Mollusca (ii) Mouth with radula

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Last Answer : (a) Pila (i) Body segmented Mollusca (ii) Mouth with radula

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Last Answer : (d) Porifera.

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Last Answer : I) It is bilaterally symmetrical.

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Last Answer : (d) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube.

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Last Answer : a) 20-25 mm Hg water pressure. Usually the pressure is maintained at less than 25 cm water pressure to prevent injury and at more than 20 cm water pressure to prevent aspiration.

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Last Answer : d) All of the above.

Description : Not being nasty, but is there a jelly net/filter that the new phylum Cnidaria fall into before coming through to the main pool?

Last Answer : answer:LOL… how well I recall this question, almost word-for-word, during the Answerbag diaspora of December 2009, when I joined. Try to find a quiet part of the pool to hang in while the new fry muddy up the littoral, @ZEPHYRA. They’ll be old-timers before you know it.

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