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Bio exam 3
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Body plans of jelly fist and sea anemones
Biradial & Radial Symmetry; acoelomate
Jelly Fish and Sea Anemones Tissue Layers
extoderm & endoderm
Who was the first group to have nerve systems
Cniderns (Jellyfish and Sea anemones)
Cniderns reproduction
budding
how to jellyfish capture food
nematocysts
What supports a jellyfish
Hydrostatic Skeleton
Polymorphism is
Polyp and medusa - two types of shapes in Cnidrens
Where does digestion occur in jellyfish
extracellular in gastorvascular cavity
what reproduces sexually, producing egg &
sperm gametes.
hermaphroditic medusa
Nerve Cells have many....
deadrites
mesoderm first appears in
flatworms
what do flatworms use for osmoregulation
nephridia
What holds things in place in a body cavity
mesentary
Advantages of an internal enviorment
Cells can differentiate, and become more specialized, and animals can live in more diverse habitats
disadvantages of internal enviorments
more complexity needed, more communication and intergration needed between all cells and systems
evolution of sensory organs developed at which end of a flatworm?
anterior
locomotion in flatworms is accomplished by
messodermal tissue which differentiates into muscules
heterotrophs cant synthesize from
inorganic compounds and eat food w carbon skeletons
heterotrophs digestion is dominateed by
intracellular digestion
Author
Anonymous
ID
53511
Card Set
Bio exam 3
Description
bio
Updated
2010-12-05T21:09:47Z
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