Classification of animals

• Biologie
• Middelbare school
• havo
• Leerjaar 1

3.1 Classification of Animals

for class 1tto

by S. Lemaire

In taxonomy we use Kingdoms, Phyla and Classes. Which of these Phyla belongs to the Animal Kingdom?

1. Ferns
2. Mushrooms
3. Echinoderms
4. Cholera bacteria

3.2 Sponges

The cells inside a sponge have little hair-like structures called flagella. What do flagella do?

1. They grab plankton.
2. They control the water flow.
3. They give the sponge a body feeling like rubber.
4. They control the temperature of the sponge.

Sponges are aquatic animals.
Aquatic means that....

1. ...sponges live in water.
2. ...sponges are made of water.
3. ...sponges know how to swim.
4. ...a sponge can be used as a bath sponge.

Some sponges produce sperm cells that can swim towards an egg cell in another sponge.

Other sponges reproduce a-sexually. How?

1. by separation
2. by fragmentation
3. by differentation
4. by satisfaction

3.3 Cnidarians

Which animals do not belong
to the Phylum of Cnidarians?

1. Corals
2. Octopuses
3. Sea anemones
4. Jellyfish

Most Cnidarians show radial symmetry.
Which of the forms below shows
radial symmetry as well?

1. 
2. 
3. 
4. 

Insects have exoskeletons, humans have endoskeletons and most Cnidarians have a hydrostatic skeleton.

What is the function of all three?

1. It protects the organism from predators.
2. It produces blood cells.
3. It gives the body shape and support.
4. It protects the organism from stupid mistakes.

3.4 Worms

The Phylum Worms has three groups of Worms.
Name all three.

How do worms reproduce?

1. They perform a-sexual reproduction.
2. The male worm fertilizes the eggs inside the female body.
3. The female worm lays eggs in the soil and the male worm fertilizes them
4. Worms are both male and female, they fertilize each other.

Some roundworms are parasites that can cause a roundworm infection.
Describe one way of getting the infection.