Chapter 50.6 Flashcards
1
Q
Three main types of Skeletons:
Hydrostatic Skeleton
(Lacks Hard Parts)
A
A hydrostatic skeleton consists of fluid held under pressure in a closed body compartment
2
Q
Peristalsis
A
Annelids use their hydrostatic skeleton for peristalsis, a type of movement on land produced by rhythmic waves of muscle contractions
3
Q
Three main types of Skeletons:
Exoskeleton
(External Hard Parts)
A
An exoskeleton is a hard encasement deposited on the surface of an animal
4
Q
Chitin
A
The polysaccharide chitin is often found in arthropod cuticle
5
Q
Three main types of Skeletons:
Endoskeleton
(Internal Hard Parts)
A
An endoskeleton consists of a hard internal skeleton, buried in soft tissue
6
Q
Locomotion
A
Most animals are capable of locomotion, or active travel from place to place
