'Coelom' presentation slideshows

ANIMALS REVIEW Chapters 33 & 34

ANIMALS REVIEW Chapters 33 & 34. Image from: http://www.millan.net. Label the directions. DORSAL. A.__________________. ANTERIOR. ______________B. POSTERIOR. D _______________. VENTRAL. ___________________ C. Animation from: http://bestanimations.com. Animals whose embryos display

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Lab Help

Lab Help. Phylogenetic trees. Domain Eubacteria. Domain Archaea. Domain Eukarya. Common ancestor. Kingdom: Animals. Domain Eukarya. Animal Characteristics. HETEROTROPHS. Eukaryotic _________________ must ingest others for nutrients __________________

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Chapter 29

Chapter 29. The Animal Kingdom: The Protostomes. Characteristics of protostome coelomates Spiral cleavage Determinate cleavage Development of the mouth from the blastosphore. Characteristics of protostome coelomates, cont. Coelom is a fluid-filled cavity lined with mesoderm

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Outline

Outline. The coelom Molluscs Bivalves Cephalopods Gastropods Annelids Arthropods Crustaceans Uniramians Chelicerates Echinoderms. Advantages of Coelom. Protostomes vs. deuterostomes Differentiated according to three major events in embryological development 1 Cleavage

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Animals are heterotrophs that ingest their food Animals are multicellular eukaryotes

Animals are heterotrophs that ingest their food Animals are multicellular eukaryotes Their bodies are held together by structural proteins such as collagen Nervous tissue and muscle tissue are unique to animals

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Chapter 32 An Introduction to Animal Diversity

Chapter 32 An Introduction to Animal Diversity. What is an animal? Multicellular, heterotrophic eukaryote – ingestion Structural support from structural proteins – NOT cell walls Nervous tissue & muscle tissue for impulse conduction & movement

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Figure 32.1

Figure 32.1. Zygote. Cleavage. Figure 32.2-1. Eight-cell stage. Zygote. Cleavage. Blastocoel. Figure 32.2-2. Cleavage. Eight-cell stage. Cross section of blastula. Blastula. Zygote. Cleavage. Blastocoel. Figure 32.2-3. Cleavage. Gastrulation. Eight-cell stage.

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Comparing Invertebrates

Comparing Invertebrates. The First Multicellular Animals. Fossils evidence from Ediacara Hills, Australia show some of the earliest and most primitive animals (575-543 mya). Altough these animals were bilateral and segmented, they were probably simple and with little internal specialization.

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Echinoderms

Echinoderms. I. Deuterostomes. Radial clevage Enterocoelous coelom formation Determiant clevage Blastopore becomes anus. II. Echinoderm classes. A. Asteroidea-starfish B. Ophiduroidea-brittlestars C. Echinoidea-sea urchins Holothuroidea-sea cucumbers Crinoidea-featherstars.

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Fig. 32-1

Fig. 32-1. Fig. 32-2-3. Blastocoel. Endoderm. Cleavage. Cleavage. Blastula. Ectoderm. Archenteron. Eight-cell stage. Zygote. Gastrulation. Gastrula. Blastocoel. Blastopore. Cross section of blastula. Individual choanoflagellate. Fig. 32-3. Choanoflagellates. OTHER EUKARYOTES.

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Fig. 32-1

Fig. 32-1. Fig. 32-2-3. Blastocoel. Endoderm. Cleavage. Cleavage. Blastula. Ectoderm. Archenteron. Eight-cell stage. Zygote. Gastrulation. Gastrula. Blastocoel. Blastopore. Cross section of blastula. Individual choanoflagellate. Fig. 32-3. Choanoflagellates. OTHER EUKARYOTES.

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