Lesson 10 - repeat 4.1. + 4.2. + 4.6.

• Biologie
• Middelbare school
• mavo
• Leerjaar 1

LESSON 10

• Repeat 4.1. + 4.2. + 4.6.  
  

In which two phylums / divisions can we divide the animal kingdom?

Does a turtle have a skeleton and which type?

1. Yes, an internal skeleton.
2. Yes, an exoskeleton
3. No, they don't have a skeleton

A turtle belongs to the class ......

Which class of invertebrate animals has a skin covered with spines?

1. molluscs
2. cnidarians
3. echinoderms
4. sponges

An invertebrate with more than four pair of legs could be:

1. an arachnid or a myriapod
2. an arachnid or a crustacean
3. a myriapod or an insect
4. a myriapod or a crustacean

Invertebrates and legs

• Crustaceans (kreeftachtigen) have more than 4 pairs of legs (8 legs) but less than 20 pairs (40 legs).
• Arachnids (spinachtigen) have 4 pairs of legs (8 legs).
• Insects (insecten) have 3 pairs of legs (6 legs).
• Myriapods (veelpotigen) have 10 pairs of legs (20 legs) or     more. 

Which animal does not belong to the group? Explain your answer.

Which animal does not belong to the group? Explain your answer.

Which animal does not belong to the group? Explain your answer.

Wednesday 27 January