First slide

Classification of Animals

Question

Select the wrong match.

Moderate

A

Pleurobrachia - Comb plates
B

Ctenoplana - Internal fertilisation
C

Pleurobrachia - Extracellular and Intracellular digestion
D

Ctenoplana - Tissue level of organisation

Solution

Pleurobrachia and Ctenoplana are the examples of Ctenophora. The characters of Ctenophora are the following
1. The body bears eight external rows of ciliated comb plates, which help in locomotion,
2. Fertilisation is external,
3. Digestion is both extracellular and intracellular,
4. Exhibit tissue level of organisation.

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