Embedded Files
5. MOLLUSCS
Molluscs are invertebrates that have soft bodies and bilateral symetry. The majority of them are aquatic, although there are a few exceptions such as snails and slugs.
5.1. BIVALVES
CLAMS "RUN"!
Clams hide! Digging with their foot!
Are clams secret agents?
Did you know that mussels have a mouth, an anus, a foot, gills, sex cells... You only can understand this by watching this video (it is in Spanish for further understanding).
This video shows how gills' cilia movement facilitates obtaining oxygen and filtering substances from water. You can see this magnified.
5.2. GASTROPODS
Interesting facts about terrestrial snails
Interesting facts about marine gastropods
Amazing sea slugs. They look like fantasy creatures.
5.3. CEPHALOPODS
Several types of cephalopods appear in this video.
Watch the video on cephalopods above. Copy and answer the following questions about it on your notebook:
Their suckers are sensitive to chemicals. What senses are these suckers responsible for?
Are they inteligent?
What are smaller: males or females?
What does the female do to the male after mating?
What happens to the female octopuses after lying their eggs?
What is their ink for?
What does their skin do? What for?
Page updated
Google Sites
Report abuse