Test 6-echinoderms Flashcards
1
Q
Echino means
A
Spiny
2
Q
Dermata means
A
Skin
3
Q
They are _____ and ____ symmetrical
A
Coelomate and radially symmetrical
4
Q
Body is __ rayed aka ___
A
5, pentradial
5
Q
They have a ___ skeleton
A
Calcareous
6
Q
They posses a ____ vascular system
A
Water
7
Q
Water vascular system is used for diabetes *3
A
Gas exchange, locomotion and feeding
8
Q
They have a complete ____ system
A
Digestive
9
Q
They have a reduced/open ____ system
A
Circulatory
10
Q
They have no ___
A
Heart
11
Q
They have a simple radial ____ system
A
Nervous
12
Q
They have no ___
A
Brains
13
Q
Reproductive system consists of _____ which take up a significant amount of space in the ____
A
Gonads, body cavity
14
Q
They reproduce____ mostly on the ____
A
Sexually, outside
15
Q
They have cilialated free swimming _____
A
Larvae