Animals quiz Flashcards
charicteristics of Animals
Eukariotes/ Multicellular
movement
tissues and organs
no cell wall
fixed size and shape
Asymetry
no specific shape
Readial
Radiate from moulth
Bilateral
L and R
Endoderm
digestive system, liver, lungs
ectoderm
epidermis, nervous system
mesoderm
muscle, blood, kidneys
4 anatomical terms
Anterior- towards head
Posterior- towards rear
Dorsal- the back
Ventral- the front(belly)
Psedocoelomate vs coelmate
Pseudocelomate- body cavity not competely lined with mesoderm
Coelomate- Body cavity compleatly lined
Exoskeliton
H20 retention
protection
anchor for tissue
secreted by epidermis
mostly invertebrets
Endoskeliton
bone+ cartalage
calcium carbonate
protects int organs
anchor for soft tissue
mostly vertebrets
Phylem Porifera
Assymetry
Filter feeders
They are sessil sponges
mostly marine
Water goes in through pores pushed my collar cells
Osculum
opening at top of a sponge
