Parazoa Study guides, Class notes & Summaries

BIO 182 Exam 4 Review – Test Questions & All Accurate Answers (Rated A+) BIO 182 Exam 4 Review – Test Questions & All Accurate Answers (Rated A+) What are some common characteristics of animals? - ANSWER - multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? - ANSWER - gametic What are the likely ancestors of animals? - ANSWER - chaonoflagellates protists What are 3 major features to classify animals...

SCYPHA Domain Eukarya Kingdom Animalia Subkindgom Parazoa Phylum Porifera HYDRA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Cnidaria Class Hydrazoa OBELIA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Cnidaria Class Hydrazoa OBELIA MEDUSA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Cnidaria Class Hydrazoa PLANARIA Domain Eukarya Kingdom Animalia Subkindgom Eumetazoa Phylum Platyhelminthes Class Turbellaria CLONORCHIS SINENSIS Doma...

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

Lacking True Tissues Ex: Sponges correct answer: Parazoa Containing True Tissues Ex: All living organisms in animal kingdom other than sponges. correct answer: Eumatazoa Scypha Phylum Porifera Subkingdom Parazoa Lack True Tissues Asymmetrical Sessile correct answer: Spongocoel Large hollow area inside the sponge correct answer: Create a water flow inside the sponge Food collectors correct answer: Choanocytes Needle like objects found within the body wall of a spong...

What are some commone characteristics of animals? Answer- multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? Answer- gametic What are the likely ancestors of animals? Answer- chaonoflagellates protists What are 3 major features to classify animals? Answer- 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 o...

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 choanoflag...

BIO 182 Exam 4 review What are some common characteristics of animals? - CORRECT ANSWER-multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? - CORRECT ANSWER-gametic What are the likely ancestors of animals? - CORRECT ANSWER-chaonoflagellates protists What are 3 major features to classify animals? - CORRECT ANSWER-1. presence or absense of different tissue types 2. type of body symmetry 3. specific features ...

What are the only animals to lack symmetry? - Answer-Sponges What are the 2 types of symmetry? - Answer-radial and bilateral What is radial symmetry? - Answer-symmetry around a central axis (can be any halves on a 2-D plane) think of how you cut a pizza, an example can be a sea anemone. What is bilateral symmetry? - Answer-Right and left halves that are mirror images How do small unicellular organisms take in nutrients? - Answer-diffusion Why is cell size constrained? - Answer-Surface-to-v...

What are some commone 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 z...