INVERTEBRATES and VERTEBRATES

Before start reading about invertebrates you should remember severals facts about living beings...


Whittaker proposed the five-kingdom taxonomic classification of the world's biota into the Animalia, Plantae, Fungi,Protista, and Monera in 1959.

As you can see in this flash (please, stop at 1 min. 38 s!!!), Animals (Animalia kingdom) can be classified into two main groups:

• Invertebrates: animals without a spine or backbone
• Vertebrates: animals with a spine or backbone

Let's explore invertebrates by watching this funny animation about the diferent types of invertebrates. Visit this website to know interesting data about invertebrates.

Now, try to find their names in this invetebrates' word puzzle search.

Now, it is time to revise the basics about invertebrates by filling this missing word activity.

Try to see if you can identify some invertebrates and sort them into their appropriate groups.

To finish, use all your knowledge about invertebrates to solve the invetebrates' crossword. If you need some help to solve it, click here 

If you are interested in invertebrates, please visit this link to see amazing invertebrates' photos shooted by the best nature photographers.