Cubozoa - Study guides, Class notes & Summaries

NATIONAL OPEN UNIVERSITY OF NIGERIA COURSE CODE : BIO 207 COURSE TITLE: LOWER INVERTEBRATES Course Code & Course Title: BIO 207: Lower Invertebrates Course Writer: Dr. Patrick A. Audu Course Editor Programme Leader Dr. Ado Baba Ahmed National Open University of Nigeria, Lagos Course Coordinator Mr. Adams, Abiodun E National Open Univers...

UBCO BIOL 205 Invertebrate Zoology Exam Questions and Answers Porifera Classes - ANSWER-Calcarea, Hexactinellida, Demospongiae, Homoscleromorpha Placozoa - ANSWER-No neurons, no muscles, similar to planular larva, similar to porifera, do asexual reproduction Pinacocytes - ANSWER-protective cells, make up the outer layer or poriferans, called the pinacoderm Mesohyl - ANSWER-Gelatinous layer of spongin, spicules, and archaeocytes Archaeocytes - ANSWER-Also called amoebocytes, specialized ce...

Invertebrates️️Animals without a backbone. About 95% of known animal species. Calcarea and Silicea️️phylum that includes sponges; no symmetry, tissues, body cavity, organs, nervous system; basal animals; mostly marine; contain spicules; most are hermaphrodites; free-swimming during larval stage and sessile (non motile) as adults; suspension/filter feeders Suspention feeders️️small and large organisms that use filtering and trapping techniques to collect minute food particles su...

Very accurate and well written. Hand - drawn diagrams. Very organized.

BIO 181 FINAL STUDY GUIDE Lecture #1: 1. How did the four macromolecules appear on early earth? Components of “Primitive Soup”  Carbohydrates, Lipids, Nucleic Acids, Proteins (four macromolecules of life) We don’t have a clear answer but there are numerous hypotheses. 2. List and explain the basis/ background for the four main theories of how life originated on early earth. Are there any challenges these theories have to overcome? a) Oparin-Haldane Hypothesis (tested by Miller-Urey) a. ...