Invertebrates

Dear all 7th grader,
If you have extra time please visit these sites and watch the video


How porifera filter water
http://www.youtube.com/watch?v=T7E1rq7zHLc


Rreproduction of porifera
http://www.youtube.com/watch?v=KOFFzXNYJG0&feature=related


Cnidarian
http://www.youtube.com/watch?v=AjM-WOeM3uA
http://www.youtube.com/watch?v=hUTJr_bCSJ0

Platyhelminthes
http://www.youtube.com/watch?v=qQ_kvcIZlQs&feature=PlayList&p=4CC312AA02E0E60D&playnext_from=PL&index=0&playnext=1

Arthropoda
http://www.youtube.com/watch?v=f4qbqfLX5zk&feature=related

Echinoderm:
Starfish eating a scallop
http://www.youtube.com/watch?v=A100m5EpfFI&feature=related
Sea cucumber eating
http://www.youtube.com/watch?v=OD1M5OOoto4&feature=related
sea cucumber walkiabout
http://www.youtube.com/watch?v=X_hl6b0P59k&NR=1
The picture bellow is only for those whose not easly get sick because seeing something disgusting
Nematoda
http://www.youtube.com/watch?v=spJFKKi3beY&feature=fvsr




Good Luck!!!



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