Classification of animals 2.0

• Biologie
• Middelbare school
• havo
• Leerjaar 1

Classification of Animals

for class 1tto

checking 3.1-3.6

by S. Lemaire

What you learned about
Animal Phyla

We will show you: real specimens!

You decide to which Phylum each specimen belongs. And why! Success!

1. This organism belongs to the Phylum:

What characteristics of this organism were indications for the correct answer?

1. Phylum: Sponges

Visible characeristics:

• no symmetry
• body has many holes (pores) for in-/outflow of water
• no mouth, no organs
• traps + eats plankton
• aquatic.

2. This organism belongs to the Phylum:

What characteristics of this organism were indications for the correct answer?

2. Phylum: Cnidarians

Visible characteristics:

• An exoskeleton of Calcium, a coral
• the coral is built by Cnidarians
• Cnidarians show radial symmetry
• aquatic

3. This organism belongs to the Phylum:

What characteristics of this organism were indications for the correct answer?

3. Phylum: Molluscs  => Bi-valves

Visible characteristics:

• some have an external skeleton: a shell
• soft bodies
• many are aquatic
• and are filterfeeders. 
  

4. This organism belongs to the Phylum:

What characteristics of this organism were indications for the correct answer?

4. Phylum: Molluscs => octopus/squid/cuttlefish

Visible characteristics:

• an internal skeleton: a calcium plate
• soft streamlined body
• with tentacles attached to their head
• and hunt for prey
• by squirting ink.
  
  

5. This organism belongs to the Phylum:

What characteristics of this organism were indications for the correct answer?

5. Phylum: Molluscs => nautilus

Visible characteristics:

• an exoskeleton (a shell)
• soft streamlined body
• with tentacles attached to their head
• and hunt for prey.

7. This organism belongs to the Phylum:

What characteristics of this organism were indications for the correct answer?

6. Phylum: Echinoderms

• ‘spiny skinned’
• aquatic
• radial symmetry (5 equal parts)
  
• endoskeleton
• with a mouth located in the center
    of the body.

=> sea star

7. This organism belongs to the Phylum:

What characteristics of this organism were indications for the correct answer?

7. Phylum: Echinoderms => sea urchin (zee-egel)

• ‘spiny skinned’
  
• aquatic
  
• radial symmetry (5 equal parts)
  
• endoskeleton
  
• with a mouth located in the center
  of the body
  
  
  

The end

Well done! 

Classification isn't always simple!

Are there any questions?