introduction history

introduction history - Companion Animal Management Richard...

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Companion Animal Management Richard Balander 1250 Anthony Hall 432-1395 balander@msu.edu
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Animal History: ______________________Era (570 million to 245 million years ago) Mesozoic Era (245 million to 65 million years ago). Each of these eras is divided up into sections called_________________________. Terrestrial “animals” first appeared on earth during the _____________________Period. This was around 500 – 440 million years ago. These were invertebrates and consisted mostly of arthropods and worms. _______________________also appeared during the Ordovician period
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Land vertebrates appeared during the Devonian period around 408 - 370 million years ago and were the first______________________. Also see the first insects and spiders. Carboniferous period – First _________________ appear about 360 million years ago Triassic period, 245 - 208 million years ago, first dinosaurs appear – Coelophosis , Euskelosaurus , crocodiles and frogs
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What do we have here?
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Jurassic period, 208 – 144 million years ago, first birds ( Archaeopteryx ) and mammals appear. Dinosaurs included diplodocus, stegasaurus, brachiosaurus. Dinosaurs are abundant.
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History Lesson, cont. Cretaceous period, 144 – 70 million years ago, dionsaurs and marine reptiles reached their greatest abundance and then just disappeared. Why???
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_______________and ____________epoch, 70 – 40 million years ago, placental mammals evolved, dispersed and adapted to new environments all over earth. Many of these placental mammals are now the companion and food animals that the human race depends on.
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Animals in Society: 1. ____________– Beef, chicken, pork, lamb, venison, etc. 2. _________________– Pets 3. ____________ – Leader dogs for blind, deaf, emotionally handicapped 4. ___________– Police dogs, military dogs, dog sled, tracking dogs, herding dogs, guard dogs 5. Entertainment – Circus, Zoos, dog racing, horse racing, movies 6. Mascots – Detroit tigers, Georgia Bulldogs, Denver Broncos, etc
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Binomial system of classification Kingdom Phylum Subphylum Class Order Family Genus Species subspecies Developed by Carolus Linnaeus (1707 – 1778). Includes 7 categories or taxa, couple further subdivided.
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All organisms are divided into one of 5 kingdoms. 1.________________– Bacteria that lack a true nucleus and reproduce by fission. 2.Protista – single celled animals including Algae. 3.Plantae – multicellular photosynthesizing organisms, higher plants, multicellular algae 4.Fungi – yeasts, molds, fungi 5._______________ – vertebrate and invertebrate animals.
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Binomial system of classification of Humans Kingdom: Animalia Phylum: Chordata (animals with notochords) Subphylum: Vertebrata (animals with a backbone) Class: Mammalia (hair and milk glands) Order: Primata Family: Hominidae Genus: Homo Species: sapiens subspecies
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Allows us to converse on a
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This note was uploaded on 12/09/2010 for the course ANS 282 taught by Professor Balander during the Fall '10 term at Michigan State University.

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introduction history - Companion Animal Management Richard...

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