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The ebook has been written to cater for the durable wishes of Indian scholars because it is sort of very unlikely for them to selected any unmarried textbook on vertebrates. it truly is meant essentially as a textbook for the Honours and the Undergraduate scholars of the Indian Universities. even though, the scholars of upper periods, the applicants getting ready for numerous competetive examinations, and the topic lecturers can also locate it beneficial as a convenient advisor for reference.
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Additional info for Animal Life: Secrets of the Animal World Revealed
All snakes are carnivorous, feeding on animals ranging from ants to antelopes. 1 m) Black-and-white amphisbaenian Amphisbaena fuliginosa 12–17 1⁄2 in (30–45 cm) TEXAS THREADSNAKE Leptotyphlops dulcis grows to a length of 6–10 1⁄2 in (15–27 cm). It is a member of the Leptotyphlopidae, a family of small, burrowing snakes that live in the soil and feed mainly on termites. SOUTH AMERICAN PIPESNAKE Anilius scytale is 28–35 in (70–90 cm) long. The sole member of its family, its markings mimic those of venomous coral snakes that live in the same region.
This group includes all ﬁshes except for hagﬁshes, lampreys, and cartilaginous ﬁshes. Sarcopterygii Bony ﬁshes with lobed ﬁns. These ﬁshes were the ancestors of all limbed land vertebrates (tetrapods). COELACANTHS LUNGFISHES TETRAPODS Crossopterygii Species 2 Dipnoi Species 6 Tetrapoda Species 38,000 Fish groups The earliest ﬁshes evolved from primitive jawed vertebrates more than 500 million years ago, and from these, two main groups emerged. Cartilaginous ﬁshes remain largely unchanged as modern-day sharks, rays and skates, and chimaeras.
5 cm) Spoonwing lacewing Nemoptera sinuata wingspan 211⁄2 in (55 cm) Deathwatch beetle Xestobium rufovillosum 1 ⁄16 –3⁄ 8 in (2–9 mm) Goliath beetle Goliathus meleagris 31⁄4 in (8 cm) Weevil Cyrtotrachelus sp. 5–2 cm) Leaf beetle Sagra sp. 8–1 cm) 5 36 ANIMALS VERTEBRATES Page 25 Vertebrata All animals with a vertebral column (backbone or spine). Vertebrates include all ﬁshes except hagﬁshes, plus mammals, birds, reptiles, and amphibians. RAY-FINNED FISHES JAWED VERTEBRATES LAMPREYS Petromyzontida Species 38 Gnathosomata Vertebrates with jaws.
Animal Life: Secrets of the Animal World Revealed by DK Publishing