Animals quiz Flashcards
(31 cards)
charicteristics of Animals
Eukariotes/ Multicellular
movement
tissues and organs
no cell wall
fixed size and shape
Asymetry
no specific shape
Radial
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
Phylum Cnidaria
Jelly’s Coral Hydra
Reproduce sexually or asexually
Radial symmetry
Predators
gastrovascular cavity
Body formes- polyps medusas
Coral+anemone are polyps
Nematocysts
cells that release venom stingers into prey
phylum Platyhelminthus
Flatworms
Bilateral symmetry
pharanx extends from mouth
paristitic only with hooks
reproduce asexually and sexually
hermafrodite
both genders present
Cestota
tapeworms
turbellaria
planarians
Turmatoda
flukes
Nematoda
bilateral symmetry
paristitic worms
hookworms
ascaris
pinworm
Mullusca
may secrete shell
bilateral symmetry
foot for movement
mantle- surrounds int organs
Coelomate
having a fluid filled body cavity
bivalve
a mullusk that passes water through cillia to capture food
ex skallop
