unit 10 notes 7 Flashcards
1
Q
Define excoskeleton
A
Hard parts on the outside, no bones inside
2
Q
Define endoskeleton
A
Hard parts on inside, has a skeletion/bone structure
3
Q
define vertebrates
A
have a spine/backbone
4
Q
define invertebrates
A
does not have spine/backbone
5
Q
what are the 3 types of body plans?
A
Asymmetry, Radial symmetry, Bilateral symmetry
6
Q
define asymmetry
A
when split in half, both sides are not the same
Ex: Sponges
7
Q
Define bilateral symmetry
A
Has sides that are the same
Ex: bat, human, dog
8
Q
Radial symmetry
A
Has a center, is the same no matter how you split it up
Ex: Sea Anemone