Yesterday, my family's supervising teacher came out for a home visit. And guess what we were doing?? DISSECTING WORMS!! Yes, I am not making this up. We had to dissect a worm. So I was ok with this. Not something I really want to do everyday or anything, but once, that's fine. Rachel, well, let us just say that she was not thrilled. So our teacher tells us all about worms, what they do (live so you can attach them to a fishing hook!! Just kidding, that's not their real purpose.), and what we would be looking for once we cut our worm open. Then we got our worm and pinned it(another thing I learned, one worm is both girl and boy) to the dissecting tray. Then we had to cut it open. Rachel would not, so I did. You start about an inch behind the clitellum, the smooth part behind the worms head and work toward the head. Alot of fun. I know you are wishing that you could be doing this with me! So once I had cut the worm open, we had to pin it down. My mom said that Rachel had to help, but she did not want to. But mom made her, so Rachel put on some gloves and, very carefully, not touching the worm, she helped me pin it down. Once it was all pinned down, we could now see the inside of our worm. Great fun, I know!!! We found the hearts, a worm has five, the brains, two of these, the dorsal blood vessel, the ventral nerve cord, pharynx, crop and gizzard, the ventral blood vessel and the intestine. After we had found all these wonderful body parts, I decided to cut it down the rest of the way. All you find is the intestine, ventral nerve cord, the dorsal blood vessel, and the ventral blood vessel which all run the length of the worm. So, to Rachel's great relief, we were done!! Now, a short essay on the purposes God gave the worm. God created the worm to reproduce, because the more worms there are, the better our soil is. Worms create castings(waste) which gives the soil added nutrients. One other purpose God gave the worm is tunneling. A worms tunneling loosens the soil so plants can grow better. There is my account of worm dissection. I know, you probably enjoy some of my other posts better, but I thought this would be an interesting post. I want to know what you think, so please leave a comment, if you would be so kind. Enjoy the pictures, if you can.
'becca
6 comments:
Interesting!
POOR WORMS!!!
But really, your eyes are saying "I don't want to do this...this is gross...I hate this...can we be done now???" That's what I would be saying! Be sure to wash you hands...lol.
Wow, that is a long worm. I never have seen a worm that long before. Great post Becca. Keep up the good work on your blog.
In Christ,
Joshua :)
Ewwwwww!!!
Wow, that's interesting =D lol and gross, I'm not sure if I could do that or not.
By the way, you have been awarded
~Marissa
I am just the opposite of Olivia! I think that is sooo COOL! did Rachel have fun??? most importantly did you have fun?? TTYL!
sarah
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