Chapter 18 and 19

Chapter 18 and 19 - Slide 1 Chapter 18 and 19: The...

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Unformatted text preview: Slide 1 Chapter 18 and 19: The Evolution of Invertebrate and Vertebrate Diversity Slide 2 Kingdom Animalia • Extremely diverse (ranges from sponges to humans) Extremely diverse (ranges from sponges to humans) • Classification encounters many problems Classification encounters many problems • There are roughly 35 phyla in the animal kingdom, There are roughly 35 phyla in the animal kingdom, we are going to cover 9 we are going to cover 9 Slide 3 Duck-billed platypus Slide 4 What is an animal? • All members of kingdom Animalia share 4 key All members of kingdom Animalia share 4 key characteristics. characteristics. 1. 1. Multicellular: Having or consisting of many cells. Multicellular: Having or consisting of many cells. 2. 2. Heterotrophic: Capable of utilizing only organic Heterotrophic: Capable of utilizing only organic materials as a source of food. materials as a source of food. 3. 3. Eukaryotic: Eukaryotic: any organism having as its fundamental structural unit a cell any organism having as its fundamental structural unit a cell type that contains specialized organelles in the cytoplasm, a membrane-bound type that contains specialized organelles in the cytoplasm, a membrane-bound nucleus enclosing genetic material organized into chromosomes, and an elaborate nucleus enclosing genetic material organized into chromosomes, and an elaborate system of division by mitosis or meiosis, characteristic of all life forms except system of division by mitosis or meiosis, characteristic of all life forms except bacteria, blue-green algae, and other primitive microorganisms....
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Chapter 18 and 19 - Slide 1 Chapter 18 and 19: The...

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