(tr) to address or present a petition to (a person in authority, government, etc): to petition Parliament. 6. (foll by: for) to seek by petition: to petition for a change in the law.
An invertebrate is an animal without a backbone. (An animal with a backbone is called a vertebrate.) Invertebrates live in every part of the world. In fact, most of the animals on Earth are invertebrates.Invertebrates come in all different shapes and sizes.Some can be seen only through a microscope.ponges, flatworms, jellyfish, sea. Encyclopaedia EncyclopÃ¦dia, Britannica. Inc an invertebrate is an animal without a. (Backbone an animal with a backbone is called a.) Vertebrate invertebrates live in every part of the. world
Aviculopecten subcardiformis; an extinct pectenoid from the Logan Formation (Lower Carboniferous) of Wooster, Ohio (external mold). Invertebrate paleontology (also spelled Invertebrate palaeontology) is sometimes described as Invertebrate paleozoology and/or Invertebrate paleobiology.rigins and modern evolution of invertebrate paleontology Edit. When it comes to the fossil record, soft-bodied and minuscule invertebrates -- such as hydras, jellies, flatworms, hairworms, nematodes, ribbon worms, rotifers and roundworms -- are infrequently fossilized.