'Roundworms' presentation slideshows

Chapter 36: Flatworms, Roundworms, and Rotifers

Chapter 36: Flatworms, Roundworms, and Rotifers. Objectives: State the distinguishing characteristics of flatworms Describe the anatomy of a planarian Compare and contrast free-living and parasitic flatworms Diagram the life cycle of a fluke Describe the life cycle of a tapeworm

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Professor of Obstetrics

Lecture originally from University of Warwick Medical Student website adapted by Siobhan Quenby. Professor of Obstetrics. Yeasts vs Moulds. Single cell Reproduce by budding Identify using biochemical tests. tubular structures called hyphae

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ROUNDWORMS

ROUNDWORMS. EARTHWORMS. PERCH.

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ROUNDWORMS

ROUNDWORMS. EARTHWORMS. PERCH.

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Kingdom Animalia

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Classification of Animals:

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Classification of Animals

Classification of Animals. Animals With Backbones. AMPHIBIAN. FISH. MAMMAL. BIRD. REPTILE. Animals With Backbones. Animals with backbones are called vertebrates.

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Worms

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This cladogram represent the evolutionary relationships among major groups of animals.

This cladogram represent the evolutionary relationships among major groups of animals. What kinds of organisms most likely gave rise to the first animals? sponges Which evolved earlier, coelom or bilateral symmetry? Bilateral symmetry

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Mr. Gibson Room 213 w/o May 9th

Honors Biology: Roundworms (continued) Feeding, Respiration, Circulation, Excretion, Response, Movement, Reproduction & Types. Mr. Gibson Room 213 w/o May 9th. Roundworms: continued. Review of structure (physiology).

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Phylum Nematoda

Phylum Nematoda. Roundworms. Characteristics of Roundworms. Bilaterally symmetrical body with a pseudocoelom 3 embryonic tissue layers Digestive system with separate openings for feeding and waste elimination.

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KEY CONCEPT Roundworms have bilateral symmetry and shed their outer skeleton to grow.

KEY CONCEPT Roundworms have bilateral symmetry and shed their outer skeleton to grow. Phylum: Nematoda. Unsegmented bodies May be parasitic or non-parasitic Inhabits a broad range of environments. Roundworms are protostomes with bilateral symmetry. pharynx. intestine. brain.

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ROUNDWORMS

ROUNDWORMS. Kingdom Animalia - Phylum Nematoda --Unsegmented worms --Pseudocoelom ("false coelom") -- body cavity contains organs. Digestive tract with 2 openings: mouth & anus. Feeding Free-living - predators Parasites - humans and animals

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KEY CONCEPT Roundworms have bilateral symmetry and shed their outer skeleton to grow.

KEY CONCEPT Roundworms have bilateral symmetry and shed their outer skeleton to grow. Roundworms are protostomes with bilateral symmetry. pharynx. intestine. brain. cuticle. anus. tail. Roundworms shed their stiff outer skeleton as they grow.

451 views • 4 slides