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Explains the characteristics of plankton and its two types: phytoplankton and zooplankton. Animation shows where plankton flourish and what they need to reproduce. Notes the importance of sunlight, the thermocline, and moderate temperatures for plankton to "bloom." Stresses that without plankton, sea life would vanish.
(Source: DCMP)
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 clip, the Micronauts explore the vast populations of filter feeders in the open waters of ponds. While exploring, they must escape the powerful feeding currents of these filter feeders. During this adventure, they also explore the special adaptations of algae and water fleas. Part 1 of the Microscopic Monsters Series.
Part of the "Life in Aquatic Environments" series. Places many of the organisms into an ecological perspective of hydras, planarians, annelids, aquatic insects, rotifers, protists, and all other organisms that provide food for fish and other vertebrates. Observes adaptations for planktonic life in daphnia and other cladocerans, copepods, rotifers, and planktonic algae. Explores bacterial decomposition, recycling of materials, adaptations for bottom life, and ecological relationships in the bottom community. Takes an underwater look at the highly specialized organisms that live in rapids, under rock communities, and in slower waters. Investigates adaptations for life in temporary wetland environments.
Part of the "Life in Aquatic Environments" series. Shows the variety of body forms and structures found in an environment ripped by waves. Examines structural, chemical, and behavioral adaptations that protect animals in this crowded environment. Looks at adaptations used to harvest the abundant food sources of the shore. Provides an overview of asexual and sexual strategies and the importance of larval development in the plankton. Reveals complex webs of life living in these accessible habitats.
Rising acidity in sea water is harmful to all ocean life. This short animated video explains how burning fossil fuels is increasing the acidity of the world's oceans. This is also impacting the fragile underwater ecosystems.
The diversity of rotifers is stunning, and many different species are overviewed. Planktonic rotifers have special adaptations for open water life. Nematodes (roundworms) include a number of important human parasites, seldom seen but easily found. Tree moss, leaf litter, and compost piles swarm with nematodes.
Part of the "The Biology Classics" series. Daphnia are small, planktonic crustaceans. Provides a classic study in arthropod behavior and anatomy. Examines the eye, brain, jaws, intestine, legs (with gills), and heart. Identifies two kinds of eggs: those that hatch directly into female daphnia and resistant eggs that carry the species through periods of freezing and drying.
