'True tissues' diaporamas de présentation

Chapter 33

Chapter 33. Invertebrates. Fig. 33-1. Overview: Life Without a Backbone. Invertebrates are animals that lack a backbone They account for 95% of known animal species. Fig. 33-2. Calcarea and Silicea. ANCESTRAL PROTIST. Cnidaria. Lophotrochozoa. Common ancestor of all animals.

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Chapter 33

Chapter 33. Invertebrates. Overview: Life Without a Backbone. Invertebrates are animals that lack a backbone They account for 95% of known animal species. Fig. 33-2. Calcarea and Silicea. ANCESTRAL PROTIST. Cnidaria. Lophotrochozoa. Common ancestor of all animals. Eumetazoa.

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Chapter 33

Chapter 33. Invertebrates. What function do the red whorls of this organism have?. Overview: Life Without a Backbone. Invertebrates are animals that lack a backbone. They account for 95% of known animal species. Fig. 33-2 Review of Animal Phylogeny. Calcarea and Silicea. ANCESTRAL

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Chapter 33

Chapter 33. Invertebrates. What function do the red whorls of this organism have?. Overview: Life Without a Backbone. Invertebrates are animals that lack a backbone. They account for 95% of known animal species. Fig. 33-2 Review of Animal Phylogeny. Calcarea and Silicea. ANCESTRAL

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Animal Development and Phylogeny

Animal Development and Phylogeny. Animals: Multicellular Consumers Eukaryotic Motile at some point in their development Reproduce sexually (some have asexual options) Have a variety of evolutionary advancements. The Animal Family Tree.

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Chapter 33

Chapter 33. Invertebrates. Overview: Life Without a Backbone. Invertebrates are animals that lack a backbone They account for 95% of known animal species. Fig. 33-2. Calcarea and Silicea. ANCESTRAL PROTIST. Cnidaria. Lophotrochozoa. Common ancestor of all animals. Eumetazoa.

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Invertebrates

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Marine Life

Marine Life. Classification of living organisms. Three domains of Life Archaea Bacteria Eukarya Eukaryotic cells with nucleus and membrane: Includes Protists , Fungi, Plants, and Animals. Domain Eukarya. Protists: Algae Photosynthetic Can be unicellular, colonial, or multicellular

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Animal Features and Invertebrate Review

Animal Features and Invertebrate Review. 1. Each of the characteristic listed are animal features except: Diploidy Heterotrophy Cells with cell walls Multicellularity. 2. Diploidy means that organisms have One copy of each chromosome. Two copies of each chromosome

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Invertebrates

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The Acoelomate Invertebrates

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Chapter 32

Chapter 32. Introduction to Animal Evolution. Definition. Unique characteristics: Heterotrophic eukaryotes; ingestion Lack cell walls; collagen Nervous & muscular tissue Sexual; diploid; cleavage; blastula; gastrulation; larvae; metamorphosis Regulatory genes: Hox genes.

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Review: Evolution of Life

Review: Evolution of Life. First life on Earth are prokaryotes (bacteria) Endosymbiosis gives rise to eukaryotes ( protists ) Photosynthetic protists give rise to plants Aquatic, single-celled flagellated protists give rise to fungus Fungus gives rise to animals.

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Sponges, ctenophores, cnidarians

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Introduction to Animal Evolution

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Lecture #14 Date ______

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Lecture #14 Date ______

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Porifera (pore bearers or sponges)

Porifera (pore bearers or sponges). By: Poppy and Talia. Characteristics/Symmetry:. Lack true tissues! Have choanocytes (which are unique flagellated cells that ingest bacteria and tiny food particles and help regulate water flow in the digestive system). Asymmetrical (no symmetry).

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Lecture #14 Date ______

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