Vertebrates

Video en castellano sobre los vertebrados:

What is the Difference between Single and Double Circulation?

Fish

We are going to talk about the seahorses:

Metamorphosis from of a tadpole to from

 Here you can watch a video of a lizard "dancing" on the sand.

Platypus

Answer the following questions about platypuses: 

1.- How many animals are combined in the platypus? 

2.-The platypus is the same size as another rodent, which one is it? 

3.- What does the name platypus mean? 

4.- Where does the platypus live? 

5.- What does it use its wide beak for? 

6.- Platypuses have very sensitive skin, with it they can notice the vibrations of what animals? 

7.- Do both sexes have spurs? Do they have them all their lives? 

8.- The poison that platypuses can inject is composed of how many substances? 

9.- What effects does a platypus bite produce?

Identify the next fishes if they are bony or cartilaginous fish:

Manta.

Salmón.

Anguila.

Lubina.

Tiburón blanco.

Tiburón vaca

Bony fish:

Cartilaginous Fish