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3.4 Worms
3.4 Worms
characteristics of worms
3-types of worms
food intake by worms
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Biologie
Middelbare school
havo, vwo
Leerjaar 1
This lesson contains
25 slides
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interactive quizzes
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text slides
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Lesson duration is:
50 min
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Items in this lesson
3.4 Worms
characteristics of worms
3-types of worms
food intake by worms
Slide 1 - Slide
How do we call animals without an endo- or exoskeleton?
Slide 2 - Open question
INVERTEBRATES
ARTHROPODS
VERTEBRATES
Sponges
Molluscs
Worms
Reptiles
Mammals
Cnidarians
Crustaceans
Arachnids
Insects
Myriapods
Echinoderms
Fish
Birds
Amphibians
Slide 3 - Drag question
What is meant by the term 'fragmentation'?
Slide 4 - Open question
What type of symmetry is this?
RADIAL SYMMETRY / BILATERAL SYMMETRY / NO SYMMETRY
Slide 5 - Slide
An animal that eats other animals is called a ...
Slide 6 - Open question
A special relationship between two organisms of different species in a long-term interaction is called ...
Slide 7 - Open question
Which of the following statements about SPONGES is NOT correct?
A
Sponges are attached to rocks or corals
B
Some sponges feel like rubber
C
Sponges eat by filtering water
D
Sponges can only reproduce asexually
Slide 8 - Quiz
Which of the following statements about CNIDARIA is NOT correct?
A
Cnidaria are always attached to rocks or corals
B
Many cnidaria are predators that eat prey
C
Cnidaria have tentacles with stinging structures
D
Anemones are examples of cnidaria
Slide 9 - Quiz
The organism on the picture is a(n) ...
A
sponge
B
polyp
C
cnidarian
D
anemone
Slide 10 - Quiz
The organism on the picture is a(n) ...
A
sponge
B
polyp
C
cnidarian
D
anemone
Slide 11 - Quiz
The organism on the picture is a(n) ...
A
sponge
B
polyp
C
cnidarian
D
anemone
Slide 12 - Quiz
The organism on the picture is a(n) ...
A
sponge
B
polyp
C
cnidarian
D
anemone
Slide 13 - Quiz
3.4 Worms
characteristics of worms
3-types of worms
food intake by worms
Slide 14 - Slide
Worms
tweezijdige symetrisch
geen skelet
lichaam is lang en dun
Slide 15 - Slide
Worms
long and thin bodies
no skelet
mostly bilateral symmetric
Slide 16 - Slide
3-types of worms
Slide 17 - Slide
segmented worms
Slide 18 - Slide
What do you think about when you hear the word 'parasite'?
Slide 19 - Mind map
roundworms
some are parasites
roundworm infection
live in soil (contaminated faeces = poo)
Slide 20 - Slide
Slide 21 - Slide
FLATWORMS
page 64
Invertebrate animals with a liquid skeleton.
They have a flattened body with a mouth at one end.
Some live in fresh water, but most are parasites of animals, such as a human tapeworm.
Vertebrate or Invertebrate? Type of skeleton?
Specific for flatworms?
Slide 22 - Slide
FLATWORMS
SEGMENTED WORMS
ROUNDWORMS
Most simple body plan
Live in water
Absorb nutrients through their skin
Live in soil and poo
Have a smooth & round body
Also called ringworm
Some are parasitic
Live in and eat soil
Their body is made up of ring-like structures
Some are parasitic
Slide 23 - Drag question
WORK ON THE LEARNING GOALS FOR 3.4 'WORMS'
Make a SIF & PIF
Make flashcards
Make a mindmap
Make a summary
Make a quiz to test yourself
Slide 24 - Slide
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.
Slide 25 - Slide
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