WHat is the oldest Species on the planet?
The Sea Sponge from Phylum Porifera
Another ANcient Creature is The Comb Jellie
ctenophora: 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.
Cnidaria: Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic environments: they are a predominantly marine species
Jellyfish Biology: fertilized jellyfish eggs develop into larval planulae, they become polyps, bud into ephyrae and then transform into adult medusae.
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).
The 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.
Brachiopods 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.
Geologic Time Scale
Today We get to see ancient fossils
Author: Jazmin Gannon
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