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Question 19N.1.SL.TZ0.22

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1.SL.TZ0.22
Level SL Paper 1 Time zone TZ0
Command term Deduce Question number 22 Adapted from N/A
22.
[Maximum mark: 1]
19N.1.SL.TZ0.22

An organism has the following characteristics:

  • single opening for ingestion and egestion
  • radial symmetry
  • tentacles with stinging cells.

In what phylum would it most likely be classified?

A. Annelida

B. Cnidaria

C. Platyhelminthes

D. Porifera

[1]

Markscheme

B

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