Invertebrates

Overview: Almost all of the animals on earth are invertebrates -- from sponges to insects, they populate the planet in amazing numbers and diversity. Starting with the simple invertebrates like corals and anemones and moving on through the worms and insects, we studied the relationship between anatomy and environment. The two dissections in this unit (earthworm and grasshopper) brought us "up close and personal" with the inner workings and adaptations of invertebrates.