'Radially symmetrical' diaporamas de présentation

Which of the following did NOT occur during the Cambrian Explosion?

Which of the following did NOT occur during the Cambrian Explosion?. Animals acquired specialized cells, tissues, and organs. There was an extraordinary growth in animal diversity. Animals evolved simpler body plans. Animal appendages became specialized for a variety of functions.

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Animal Development: From Genes to Organism

Animal Development: From Genes to Organism. Animal Development: From Genes to Organism. Development Begins with Fertilization Cleavage: Repackaging the Cytoplasm Gastrulation: Producing the Body Plan Neurulation: Initiating the Nervous System Extraembryonic Membranes Human Development.

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CHAPTER 31 Animal Origins and Lophotrochozoans

CHAPTER 31 Animal Origins and Lophotrochozoans. Chapter 31: Animal Origins and Lophotrochozoans. Descendants of a Common Ancestor The Animal Way of Life Clues to Evolutionary Relationships among Animals Body Plans Are Basic Structural Designs Sponges: Loosely Organized Animals.

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Chapter One Themes in the Study of Life

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Bilateria

Bilateria. Having completed the radially symmetrical Cnidarians and Ctenophores we now move on to the remaining animals, all of which are bilaterally symmetrical (or secondarily radially symmetrical [the Echinoderms]). These are the Bilateria. Bilateria.

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External reproductive structures: review

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Echinoderms: Sea Stars

Echinoderms: Sea Stars. Goals of the lab: to introduce general characteristics of the phylum Echinodermata to understand the embryological differences between protostomes and deuterostomes to observe initial stages of embryo development, using prepared slides of starfish embryos

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Jellies: Day 1

Jellies: Day 1. By Larissa Ostlund. Lesson Objective:. To become familiar with: Jelly academic vocabulary B ody parts and their functions of jellies The basic understanding of jellies. Where have I seen jellies (jellyfish) before?. Finding Nemo Video clip:

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Introduction to Zoology

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AP Biology Classification Project Porifera,Cnidarians,Rotifera

AP Biology Classification Project Porifera,Cnidarians,Rotifera. By: Amin Syed and Marwa Saleh. PORIFERA- THE SPONGES. Structure :.

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Phylum Cnidaria

Phylum Cnidaria. General Characteristics They are radially symmetrical; oral end terminates in a mouth surrounded by tentacles. They have 2 tissue layers Outer layer of cells - the epidermis

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Phylum Cnidaria

Phylum Cnidaria . HW: Study notes & Define Vocab Words. Intro to Cnidarians. How do you say it???? Say it with me now: (ni DARE ee uh) Practicing saying this when you are with your friends so you sound smart. What are cnidarians? Examples: Jellyfish & Sea Anemones

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Phylum Platyhelminthes (Chapter 27-1)

Phylum Platyhelminthes (Chapter 27-1). Please set up your notebook for Cornell Notes. Flatworms Characteristics Soft, flattened worms w/tissue and internal organ systems Simplest animal w/bilateral symmetry, three germ layers and cephalization

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Sponges

Sponges. Sponges, phylum Porifera , are invertebrates made up of two cell layers. Most sponges are asymmetrical. They have no tissues, organs, or organ systems. Most adult sponges do not move from place to place. Cnidarians.

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Sea Urchins have radially symmetrical bodies divided into 5 equal parts

Sea Urchins. Sea Urchins have radially symmetrical bodies divided into 5 equal parts They move about using articulating spines and tube feet Jawed tube feet called pedicellariae are employed for defense along with sometimes venomous spines. Sea Urchins.

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Phylum Porifera

Phylum Porifera. Phylum Porifera. Sponges are the simplest animals Radially symmetrical Acoelomate Body resembles a perforated sac. Has inner cavity called spongocoel Has large opening called osculum Lining body are cells flagellated cells called choanocytes

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Phylum Porifera

Phylum Porifera. Phylum Porifera. Sponges are the simplest animals Radially symmetrical Acoelomate Body resembles a perforated sac. Has inner cavity called spongocoel Has large opening called osculum Lining body are cells flagellated cells called choanocytes

311 views • 4 slides