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Animal LAB # 6. 1. Lab 6: An Introduction to. Animal Diversity. Most people, when they think of animals, think of those similar to ourselves: dogs, cats, horses, apes, tigers and other mammals. However, the. Kingdom Animalia is in fact a very diverse one, with mammals being just a minor group in terms of numbers of species.
Page 1. Animal Diversity II: Vertebrates. • Key features of chordates. • Major phyla of chordates. Page 2. Kingdom Animalia. Page 3. Phylogeny. Page 4. Phylum Chordata. • All are deuterostomes Lungs replace gills. • Supplemented by moist skin. • Reproduction requires water. Page 12. Diversity of amphibians. Page 13
1. Animal Diversity Part I. Introduction. One of the primary goals of the second half of Biol 106 is to understand evolutionary relationships among animals and to gain an appreciation for the diversity of animal form and function. The huge diversity of animals requires us to divide our survey of different animals into a number of
Diversity in form. Most are invertebrates - Only 1% of all species are vertebrates. 37 animal phyla (10 to be covered in these lectures). Size ranges from microscopic forms to enormous whales. Most are marine, some are freshwater, few are terrestrial. Three phyla dominate the land: arthropods, mollusks, chordates. Animal
6. Structural Support. • Exoskeleton – external. – Arthropods (shell). Backbones. • Invertebrates – all animals without a backbone. Chordates. • Invertebrates Chordates. 1. Tunicates. 2. Larvaceans. 3. Amphioxus. • Vertebrate Chordates. (Sub-phylum Vertebrata). 1. Fishes. 2. Amphibians. 3. Reptiles. 4. Birds
5 May 2016 animals. Protozoa may occur singly or in colonies (e.g. Volvox); may swim freely or be in. contact with a substratum or be sedentary; may be housed in a .. The most common species, E. viridis is a green Euglena and about 50µ long (Fig. 1.). The shape of the body is maintained by a thin but firm covering
To classify animals, we ask the following questions: 1. Are there true tissues? 2. If yes, how many layers? 3. What is the pattern of development? 4. How do they grow? 4b. Special structure? Scott circa 2009. 5. Is there body symmetry? 6. Is there a body cavity? 1. Are Tissues Present? • What is a tissue? – A group of cells.
Objectives. 1. Explain the major characteristics by which animals are classified and recognize the phyla that display each characteristic. 2. Correctly identify invertebrate specimens to their correct phylum. Exercise I - Animal Diversity. 1. What are the characteristics of animals? 2. What distinguishes members of Kingdom
Animal Diversity. An Overview. Kingdom Animalia = the animals (35+ phyla). The Nine Most Important Phyla. What is an animal? 1) Eukaryotic (separates from bacteria). 2) Multicellular (separates from protists). 3) Heterotrophic (separates from plants and some protists). 4) Lacks cell walls (separates from plants, algae and
Course Structure. Succeeding in BSC 2011L. 1. Stay on top of it ! 2. Do well on your lab quizzes. 3. Come to your lab prepared. 4. Don't leave your lab 2 hours early ! 5. Ask questions: use your instructor and TA. Page 10. Course Goals. 1. Give you an appreciation and understanding of the variety of animal life: Page 11

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March 2018