Parazoa Study guides, Class notes & Summaries

Be familiar with the common characteristics of animals. Answer- - Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory structures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? Answer- gametic What is the most likely ancestor of animals? Answer- choanoflagellates What...

What are some common characteristics of animals? multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? gametic What are the likely ancestors of animals? chaonoflagellates protists What are 3 major features to classify animals? 1. presence or absense of different tissue types 2. type of body symmetry 3. specific features of embryonic development What are the 3 different type of tissues (ends in zoas)? met...

Be familiar with the common characteristics of animals. - - Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory structures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? - gametic What is the most likely ancestor of animals? - choanoflagellates What are the 3 major featu...

Be familiar with the common characteristics of animals. - - Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory structures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? - gametic What is the most likely ancestor of animals? - choanoflagellates What are the 3 majo...

Phylum of Parazoa and etc - Porifera = pore bearing = sponges with no tissues Sessile adults, mostly marine Asymmetrical or Radial symmetry Sponge morphology voacb - spongocel, choanocytes, mesohyl, amoebocytes Spongocel, osculum, ostium - central cavity of the sponge, large opening, pores choanocytes - collared cells; flagellated, line the spongocel and beat in unison and move water towards the top osculum; water goes in through the pores with food that may or may not be good to eat ...

Be familiar with the common characteristics of animals. - Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory structures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? gametic What is the most likely ancestor of animals? choanoflagellates What are the 3 major feat...

Grantia Characteristics - Eukaryotic Heterotrophic Multicellular Grantia Classification - Domain: Eukarya Kingdom: Animalia Subkingdom: Parazoa Phylum Porifera Common Name: Sponge Grantia Habitat - -Coastline of the North Atlantic -Intertidal regions Grantia Energy/Food Source - -Spongocoel - internal cavity lined with flagellated cells - beating of flagella draws water, fine organic particles & tiny organisms (bacteria) into the spongocoel through tiny pores of the body wall -Food ...

BIO 2102 Exam 1 ANSWERED BY EXPERT COMPLETE SOLUTION Eat, Move, Multicellular Eukaryotes with specialized cells ANSWER : The three primary traits of an animal Embryonic tissue layers, symmetry, coelom, embryonic development pattern ANSWER : The big 4 morphological characteristics Parazoa ANSWER : Animals that lack tissues entirely; have cell specialization Eumetazoa ANSWER : Animals that have tissues

Biology 101- World Biodiversity Expedition Questions Answered 100% correct Towards stimulus positive response Away from stimulus Negative response single celled organisms reproduction Duplicate DNA> divide it equally> prepares to form two new cells Multicellular organisms reproduction Specialized germ line cells that form new individuals Genes passed to offspring Direct cell growth and development to ensure same characteristics Regulation Even smal...

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