My Life Science class is comparing different animal phyla. My approach is pretty traditional. The class is using MRS GREN in a chart to compare representative animals in nine major animal phyla. The kids just started to dissect. I ordered animal survey sets: earthworm, clam, starfish, crayfish, oerch, and frog. I posted some resources for dissections in an earlier post; it won't hurt to assemble some resources again. I keep loads of references out as the kids dissect, including photos of dissections.
I believe in dissection packets, especially those that make the kids examine their specimens more closely. The Biology Corner has dissection guides and links to virtual labs. Virtual dissections can be useful, if funds are tight or for a child home-bound for illness or a family crisis. Home-schoolers may elect to supplement a few selected dissections, such as the earthworm and frog with virtual dissection labs to stretch their school budget, especially large families. I am old-school and believe kids need to dissect.
Here are the packets we are using: Earthworm, Clam, and Starfish. This Imgur album has some photos of my kids dissecting and a copy of the MRS GREN chart they are completing to compare nine major animal phyla.
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