SCIENCE What (doesn’t) live in a pineapple under the sea? The very first animals on Earth, scientists believe. (The Independent) How do sponges contribute to marine ecosystems? Find out with our illustrated guide! Scroll down for a quick list of key resources in our Teachers’ Toolkit. Discussion Ideas According to the good folks at MIT, the earliest sea sponges probably predated the Cambrian explosion. What … Continue reading Sea Sponges Soak Up the Glory