Ενημερώθηκε στις 6 Σεπτεμβρίου, 2019
VERTEBRATES VS INVERTEBRATES
VERTEBRATES VS. INVERTEBRATES
All animals on our planet are classified into two basic categories, vertebrates and invertebrates. Vertebrate animals are those which have got a backbone or a spine whereas invertebrate animals haven’t got a backbone or a spine and they are cold-blooded. Most animals on our planet are invertebrates. In fact, ninety five per cent (95%) of animal population are included in invertebrates.
VERTEBRATES
There are five sub- categories in vertebrates; fish, mammals, amphibians, birds and reptiles.
INVERTEBRATES
There are six sub- categories in invertebrates; arthropods, mollusks, worms, cnidarians, sponges, and echinoderms.
Read the next presentation to find out more.
STRANGE FACTS ABOUT INVERTEBRATES
Invertebrates have got two things in common. They haven’t got backbone and they are cold-blooded, which means they can’t control their own temperature.
How much do you know about invertebrates? Take this quiz to find out.