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(Solved): Practice Matching Animal Feature - Cnidarians - Spicules - Jointed appendages - Porifera - Radial S ...
Practice Matching Animal Feature - Cnidarians - Spicules - Jointed appendages - Porifera - Radial Symmetry - Flatworms - Nematocysts - Earthworms - Flame cells - Nematodes - No symmetry - No tissues - Arthropods - Only 2 tissues - Tetrapods - 4 Limbs - Worm with segments - Worm with cuticle - Worm that's an Acoelomate
Expert Answer
The Animal Kingdom:All the animals come under the Kingdom Animalia. Kingdom Animalia is further divided into two main groups - Invertebrates and Vertebrates.Invertebrates- More than 90% of animals belong to the invertebrates category. Further, invertebrates have been divided into the following eight phyla:AnnelidaArthropodaCnidariaEchinodermataMolluscaNematodaPlatyhelminthesPoriferaVertebrates- Vertebrates belong to the phylum Chordata. It has been further classified into the following five classes:AmphibiansBirdsFishesMammalsReptilesInvertebrates- Animals without a backbone or vertebral column are known as Invertebrates. Most of the invertebrates belong to the phylum arthropods. Vertebrates- Animals with backbones or vertebral columns have been classified as vertebrates. Chordata- Phylum Chordata includes all the animals that possess notochord at least at the one stage of their life cycle. Kingdom, Phylum, Class, etc. are taxonomic rankings that come in the hierarchy of the classification.