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Oceans This week we dove deeper into the ocean – 600 feet down to the beginning of the Disphotic or Twilight zone. Very little light reaches this deep. Disphotic gets its name from being a region where photosynthesis cannot occur and plants can’t grow. To understand the differences between the two zones for the living organisms that live there we looked at sperm whales and giant squid. Alphas learned that Sperm whales are incredibly unique mammals. In some form of evolution they have been on earth 20 million years or more, can dive the deepest of any mammal (2,000-10,000 feet), […]

This week we learned that the ocean has layers that are divided by how much light is in it. The first layer we explored is called the Euphotic Zone. We learned that most of the creatures in the ocean live in this layer, and just like all living things on land, these creatures require sunlight, air, water, and food to live. Alphas knew that many of the tidal zone creatures had adaptations that helped them capture microscopic food particles from the water, and we learned that those particles were actually living plants and animals called Phytoplankton and Zooplankton. We learned