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Past Exam Question

Fig. 1. Shows five species of mollusc. Use the key to identify each species. Write the letter of each species (A to E) in the correct box beside the key.

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569 views1 page

Past Exam Question

Fig. 1. Shows five species of mollusc. Use the key to identify each species. Write the letter of each species (A to E) in the correct box beside the key.

Uploaded by

api-309893409
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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2

(a) Fig. 1.1 shows five species of mollusc.


A

Fig. 1.1
Use the key to identify each species. Write the letter of each species (A to E) in the correct
box beside the key.
Key
1 (a)
(b)
2 (a)
(b)
3 (a)
(b)
4 (a)
(b)

body is completely or partly covered in a shell

go to 2

body is not completely covered or partly covered in a shell

Limax flavus

shell is attached to rocks by thin threads

Mytilus edulis

shell is not attached to rocks by thin threads

go to 3

shell is a spire that comes to a point

Buccinum undatum

shell is not a spire that comes to a point

go to 4

animal has tentacles

Nautilus pompilius

animal has 2 tentacles

Planorbis planorbis
[3]

UCLES 2015

0610/31/M/J/15

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