Coal is a rock formed from decayed, highly pressurized fernlike plants.
Petroleum is mainly of animal origin- single celled marine animals.
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...and every common bush afire with God, but only he who sees takes off his shoes,the rest sit around and pick blackberries. -Elizabeth Browning
1. Phylum Porifera - The Sponges:
2. Phylum Coelenterata – The Coelenterates: jellyfish, hydras, corals
3. Phylum Platyhelminthes – The Flatworms: planaria, tapeworms
4. Phylum Nematoda – The Roundworms
5. Phylum Annelida – The Segmented Worms: earthworm, leech, sandworm
6. Phylum Arthropoda – The Arthropods: insects, spiders, crustaceans
7. Phylum Mollusca – The Mollusks: clams, snails, oysters, octopus
8. Phylum Echinodermata – The Echinoderms: sea stars, sea urchins
9. Phylum Chordata – The Chordates: fish, reptiles, amphibians, birds, mammals
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