Essays about: "evolution of multicellularity"
Found 3 essays containing the words evolution of multicellularity.
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1. Assessing the relationship between hypoxia and life on Earth, and implications for the search for habitable exoplanets
University essay from Lunds universitet/Geologiska institutionenAbstract : Atmospheric oxygen at the level of present-day Earth (21%) is generally regarded as permissive for the development and survival of complex multicellular life, such as animals. The hypothesis that oxic conditions are conducive for multicellular life has subsequently been applied to the search for life elsewhere in the universe, with planets exhibiting atmospheric oxygen of a similar level to Earth being considered as candidates for habitability. READ MORE
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2. The Effect of Photobacterium damselae Availability on the Behavior of Choanocytes in the Marine Sponge Amphimedon queenslandica
University essay from Lunds universitet/Examensarbeten i biologiAbstract : Sponges are aquatic filter feeding animals that use internal chambers comprised of choanoflagellate-like cells called choanocytes to pump and filter water. In this study I investigated the behavior of choanocytes in juvenile Amphimedon queenslandica, a coral reef demosponge, when they were fed Photobacterium damselae subsp. READ MORE
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3. Changes in Arsenic Levels in the Precambrian Oceans in Relation to the Upcome of Free Oxygen
University essay from PaleobiologiAbstract : Life on Earth could have existed already 3.8 Ga ago, and yet, more complex, multicellular life did not evolve until over three billion years later, about 700 Ma ago. READ MORE