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With support from the National Science Foundation, Lake Ecologist Jasmine Saros and her team from the University of Maine are gathering diatoms from the lake waters of southwestern Greenland. They are using the diatoms in their studies of how climate change is affecting this Arctic ecosystem. Diatoms are a type of algae that responds rapidly to environmental change. Diatom species generally associated with warmer conditions are increasing at unprecedented rates in the sediment record.
(Source: DCMP)
Part of the "Branches on the Tree of Life" series. The term "algae" is a catchall for several evolutionary lines of photosynthetic organisms: dinoflagellates, red algae (plastids with chlorophyll A), diatoms, yellow-brown algae and brown algae (chlorophylls A and C), and green algae (chlorophylls A and B). Explores the diversity, structure, ecological roles, and modern classification of these primary producers.
Climb aboard the Cyclops, a microscopic research vessel, and investigate an amazing hidden world on which all living things depend. The Cyclops houses a team of scientists known as the Micronauts and guides them through their discoveries of biological classification, diversity, and ecology. In this episode, the Cyclops is washed out of the pond and tumbles into a rapidly flowing stream. In the rapids, they discover aquatic insects living under rocks. Through their careful observations, the Micronauts learn the insects are adapted for living on water-swept rocks. Part 7 of the Microscopic Monsters Series.
