Me: "Frogs!"
Bethany: "Oh, that sounds fun!"
......
Rebekah: Did no dissections.
This was her Biology book:
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| Hehehe... |
Land Animals
In part 1 of this chapter, we studied warm-blooded land vertebrates, which are mammals, and we didn't have a class during that section.
In part 2, we studied coldblooded land vertebrates, then land invertebrates. So this is where I decided to have the dissections for frogs and earthworms. We did them on separate weeks.
Frog Dissection:
These frogs were injected with dye, supposedly to help distinguish one organ from another...
actually they almost look tie-dyed!
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| This one had lots of 'fat bodies' -- the yellow things there. Fat bodies are for storage of food/nutrients for hibernation or when food is scarce. The girls said it looked like he swallowed an octopus! |
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| Lifting the stomach to show organs underneath. The black and pale speckled material are the eggs, contained in ovaries, so this is a female. |
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| Working in pairs... they all kind of paired up with a buddy at the first of the year and have stuck with them. I had planned to mix it up each class, but they work well together this way, so I've let them stay with their buddy. =) |
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| "Ramen noodles!" declared the boys, hahaha! Actually coils of the oviduct where the eggs pass through. |
Earthworm Dissection:
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| We have been fortunate to find great videos for all the dissections this year! After a bit of preview, going over terminology and body parts while looking at diagrams, I have them watch a video or two before doing the actual dissection. |
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| Earthworm dissection. This one went more quickly than the others. |
Done with animals, next we are studying the human body. But no dissections! =D
sMiLeS,
