sprint 2- invertebrates

• Biologie
• Middelbare school
• vwo
• Leerjaar 1

Stand Up (5 min)

Team members open the scrumboard on trello and EACH answer 3 questions:

1. what have you done since last lesson?

2. What are you going to do this lesson?

3. Are there any problems?

The animal kingdom

Lesson 2: All the invertebrate phyla

Invertebrates

Animals without a backbone
We can divide the invertebrates into smaller

groups

An invertebrate doesn't have a backbone. What kind of skeleton can it have?

p. 226

Look at the animal on your table

• What group of invertebrates does it belong to?
• What characteristics does it have to make it belong to that group?

Use pages 226+228+229 of the (pdf) book 

Cnidarians

• They have a 'sac like' body
  
• with stinging cells around the mouth
  

In dutch ' holtedieren' 

Molluscs

• soft bodies protected by one or two shells

in Dutch 'weekdier' 

Echinoderms

• spiny skinned animals
  
• the body has a pattern of 5 parts

Flatworm

Worm with a flat body with mouth at one end

Most are parasites

Example: human tapeworm

Nematodes

- round worms

- do not have segments

Annelids

- body in segments

- long tube like body

Arthropods

• jointed legs
• bodies divided in segments
• have exoskeleton
• many legs

Dutch: ' geleedpotigen' 

Get to work on sprint #2