1MAVO-TTO 4.6 invertabrates (no skeleton or legs)

• Biologie
• Middelbare school
• mavo
• Leerjaar 1

Schedule

1.  Repeat 4.1/4.2
2. 4.6.2: invertebrates 
3. Working on homework

Name all 5 kingdoms

A kingdom is the _______ specific of all taxons.

classification of animals

Animals are divided into invertebrates (ongewervelden) en vertebrates (gewervelden).

Today focus:

 No skeleton or legs.

The 5 invertebrates with no skeleton or legs 

Sponges (sponzen)

• Trap food in pores
• multiple cell layers
• Young --> move around.       Adults --> stay in one place.

sponge

Cnidarians (Neteldieren)

• One opening for eating and waste.
• tantacles around the mouth.
• Have hollow sac-like bodies.

jellyfish/ anemone

which class has one opening that is used as both a mouth and anus?

Worms (Wormen)

Worms (Wormen)

• Flatworm: long flat body, one opening, live in water
• Roundworm: long threadlike body, live in soil
• segmented worms: long body with segments, live in the sea or soil.

Flatworms and roundworms can be parasites.

question

connect the right picture with the right worm.

Roundworm

Flatworm

Segmented worm

Molluscs (weekdieren)

• snails/slugs:  strong muscular underside, shell (slugs have no shells).
• cockles/oysters: 2 shells for protection.

Echinoderms (stekelhuidigen)

• short or long spines on their skin.
• 5 identical parts
• tube-like feet. 

What is the dutch translation of "Echinoderms"?































What is the dutch translation of Molluscs?

Name one group of animals that belong to the Molluscs.

Homework January 15th (fri)

1. Finish the worksheet (in google classroom) "4.6. The five kingdoms - lesson 2" (a google forms document).
   
2. Make sure to read the pages in your book carefully.
   
3. If you have any questions, you may write them in the chat.
   
4. Finished? Let me know in the chat.