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Invertebrates 2
Author :
Gabriel Pérez Comendador
1.
What are invertebrates?
2.
Invertebrates are classified into arthropods, worms, echinoderms, molluscs, ...
3.
Arthropods are classified into insects, myriapods, crustaceans and...
4.
Where do snails and slugs live?
5.
What kind of molluscs are there? Bivalves,...
6.
What kind of invertebrates are mussels and clams?
7.
What kind of molluscs are those which have no external protective covering, but some have a shell hidden under the skin?
8.
What kind of invertebrates have radial symmetry and crawl on the seabed on hundreds of tube feet?