Animal locomotion презентация

Unicellular organisms
Ameboid movement flow of the cytoplasm from one side to another which pulls cell forward
Other use cilia or flagella to move

Types of skeleton
1 Hydrostatic skeleton (worms)
2 Exoskeleton (insects and arthropods)
3 Endoskeleton (vertebrates)

1 Hydrostatic skeleton (worms)
Soft-bodied invertebrates (like worms) have fluid filled cavity surrounded by muscles, it is called hydrostatic skeleton.
Sea star worms

2 Exoskeleton (insects and arthropods)
Muscles are inside the exoskeleton