Life started in the Ocean, here are some of the oldest speciesThe Sea Sponge from Phylum Porifera Comb Jellyctenophora: Comb jellie, not quite a jellyfish: Ctenophora comprise a phylum of invertebrate animals that live in marine waters worldwide. They are notable for the groups of cilia they use for swimming, and they are the largest animals to swim with the help of cilia. Ancient PhylumCnidaria: Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic environments: they are a predominantly marine species Coral Biology. Although many corals resemble plants, they are actually members of the animal phylum Cnidaria. Most corals are colonial, which means that each coral is made up of many individual polyps connected by living tissue (the coenosarc). What is coral?Coral in the Fossil RecordThe first coral reefs date from the early Ordovician of about 500 million years ago, and their form at the time differed significantly from that of corals today, which, following, the mass extinction 240 million years ago at the end of the Permian period, first appeared in the middle of the Triassic period.
JellyFish todayBrachiopodsBrachiopods: are marine animals belonging to their own phylum, Brachiopoda, of the animal kingdom. Modern brachiopods occupy a variety of sea-bed habitats ranging from the Tropics to the cold waters of the Arctic and, especially, Antarctic.
Fungi, prototaxitesGeology Time PeriodsCambrian ExplosionCambrian Extinction was about 488 million years ago Ostracoderms: armoured, jawless, fishlikevertebrates that emerged during the early part of the Paleozoic Era (542–251 million years ago) Added note:
Plants got bigger and absorbed more Carbon Dioxide, and there was an Ice Age Devonian period 419 million years ago (mya), there were Devonian Forests 360 mya Permian period 298 million years ago Permian-Tirassic Extiction: 252 million years ago Trilobites: some still survived, they survived about 4 mass extinctions:
Trilobites used chitin as a protein, just like mushrooms, the shell was chitin and calcite GEOLOGIC TIME PERIOD CONCEPT MAPNitrogen Cyclephosphorous cycle Carbon Cycle
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Author: Jazmin GannonA place to grow Archives
January 2021
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