Wednesday, October 6, 2010

Invertebrates

Hi my name is Tanner and this is going to be about invertebrates.  Okay so if you don't know what invertebrates are they are animals with out backbones so now you know.  But back to the story.  The most simple invertebrate is the sponge.  Now you may think you have something that soaks up all the water that is in your kitchen but we are not talking about that one so where was I oh yes now I remember the animal sponge yes they're usually found on rocks or other spots in the ocean.  Oh did I tell you if a sponge gets it's let's say it's leg cut off it will grow it back, cool huh. Now enough about sponges lets move to stinging celled animals like the jelly fish and it only has one openings and it only has one opening the mouth and it is surrounded by tentacles that sting it's food.  Next in line is the flatworm.  It may live in the hosts body as a parasite.  Oh did I tell you that flatworms have long flat bodies.  They have one opening for taking in food plus getting rid of wastes.  Flatworms are way more complex than stinging celled animals.  Some flatworms are scavengers.  If you don't know what scavengers are they are animals that do anything  to supply water or food.   Okay now we are going on to roundworms.   Roundworms have bodies that are not flat. Now we move onto complex invertebrates.  Did you know complex invertebrates are different then simple invertebrates?  Now segmented worms may live in water or land.  Earthworms, leeches, and clam worms are segmented worms.  They all have rings or segments.  Now we move onto arthropods.  Did you know that they are the largest animal group.

2 comments:

  1. i didn't know the arthropods where the largest group

    ReplyDelete
  2. I never new that a jellyfish only had one opening. That was some good blog.

    ReplyDelete