ZOO 1 Flashcards
lab
Porifera tissue organization
Dipoblast
What is the 2 layers seprated by ?
mesophyl
How can priofera be classified
Checmical makes up of their spicules
Adult sponges are
sessile
What does Sessile mean ?
They anchor themselves
How are spicules produced ?
Within mesophyll by amoebocytes
How do sponges protect their selved
produce toxins and spicules
Sponges reproduce
asexually
Porifera body cavity
acoelomate
Cnidarian example
Hydra, jellyfish, corals q
Cnidaria
Symmetry
tissue layer
body cavity
radial
ectoderm and endoderm
dipolblastic
What supports the snidaria with it’s body
hydrostatic skeleton; water-filled balloon
The 2 forms of cnidarians
POLYP AND MEDUSA
How can cnidaria capture food ?
tentacles
Sea Anemone and hard corals class
Class Anthizoa
Jellyfish class
Class Scyohozoa
Hydra and colonial hydroid and siphonophore class ?
Hydrozoa
How do Hydrozoa produce
Sexually and asexually by budding
Interesting fact about the Hydra
They cannot die
Hydra
Tissue
Symmertry
Radial
Dipo
Scyphozoa is dioecious - meaning
Either male or female
Anthozoa
Genus
symmetry
common name
tissue
body cavity
Metridium
Radial
Coral
Radial
tripoblast
pseudocoelomte
Why are corals important
They provide a home
Coral secrete an exoskeleton called
calcium carbonante
Platyhelminthes
genus name
common name
symmetry
tissue orgnization
body cavity
Dugesia
Tapeworm
bilateral
tripoblast
aceolomate
2 types of parasitic flatworms
Flukes (class trematoda) and tapeworms (class cestoda)
Parasitic flatworms have
epithelial layers
Parasitic flatworms lack
cilia, eyespot and sensory organs
How do tapeworms recieve their food
through the skin and attatching
