'Closed circulatory system blood' presentation slideshows

Animals

Animals. What is an animal?. What is an animal?. Multicellular Eukaryotic Heterotrophs That lack cell walls. Broken into two groups:. Invertebrates (lack a backbone) 95% of all animals Includes sponges, jellyfish, worms, insects, crustaceans, spiders, and starfish.

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Animalia

Animalia. A Brief Survey of Animals. The study of animals is referred to as zoology. Animals are the largest of the 6 kingdoms, and exhibit a great diversity in form and function. Major Animal Characteristics.

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Worms and Mollusks

Worms and Mollusks. Chapter 27. Flatworms. Section 27-1. What is a flatworm?. Phylum Platyhelminthes No more than a few millimeters thick Have tissues and internal organ systems Have bilateral symmetry and cephalization

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VERTEBRATES

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Chapter 27 Worms

Chapter 27 Worms. 27-1 Flatworms. Phylum Platyhelminthes Soft Flattened worms Have tissues of an internal organ system Acoelomates Only digestive cavity Simplest animal to have Bilateral symmetry (left to right) Cephalization. Form and Function. Free-living

305 views • 19 slides