his week, we zoomed into one of the areas of the ocean that we can explore here in California--the rocky intertidal zone. After a couple quick review activities exploring pressure and upwelling, we began to discuss the many challenges of living in an habitat that is constantly changing like the tide pools. The students did a great job brainstorming the different reasons why this can be a very harsh environment.
Then, we discussed the ways these animals have adapted to this life. Barnacles and mussels cement themselves to the rocks. Sea anemones can cover themselves with bits of shells. Boring clams and sea urchins can actually carve out a space in the rock that fits them perfectly! We ended class with a video on the Fitzgerald Marine Reserve, getting a little glimpse into what we might find on our field trip the next day. Videos: Fitzgerald Marine Reserve--A look at what types of animals live in the tidepools at Fitzgerald. Octopus Walks on Land--Someone videoed the octopus they found at Fitzgerald. Intertidal Biome--A look at what causes tides and what it's like to live there. Articles: Sea Star Bodies Territorial Behavior of Anemones Activities: Exploring Ocean Waves This hands-on activity explores the energy in waves and erosion. Sea Star Adaptations A fun, interactive look at the various adaptations that help the sea star survive.
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May 2020
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