Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 20, Problem 9RQ
What is a nauplius? What is the difference between direct and indirect development in Crustacea?
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Loose Leaf For Integrated Principles Of Zoology
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- a) How can Strongyloides and hookworms be differentiated in terms of their morphology? b) Why does A. lumbricoides need to embryonate? c) What are the distinguish characteristics of T. trichuiria and C. philippinensis? *kindly answer all questions. thank you!arrow_forwardConsider the process of organogenesis. a) Describe how coelom-status impacts the process of organogenesis. b) How do organs develop and where (in which cavity)? When does this process occur?arrow_forwardWhich earthworms have a clitellum?a). adultsb). juvenilesc). juvenile femalesd). malese). adult femalesarrow_forward
- Which of the following is true about Sea urchin blastula formation and fate map? a) ectoderm that develops into the larval skin and neurons, is regularly produced by the vegetal half of the embryo. b) an1 layer generates cells that can enter either the ectodermal or endodermal organs of the larva. c) veg2 layer forms the endoderm, coelom (internal mesodermal body wall), and the non- skeletogenic mesenchyme. d) small micromeres differentiate into the PGCS e) large micromeres differentiate into the secondary mesenchyme cellsarrow_forwardA) State the function of the following external parts of the genus Cambarus (Class Crustacea): walking legs: opening of sperm duct: gills: excretory pore: abdomen: eyes What are the hairlike appendages called that anchor into the skin of annelids? What structures do earthworms have to help dispose of nitrogenous wastes? Briefly describe how earthworms reproduce and what structures are involved.arrow_forwardWhat is direct development? Is there a larval stage in planarias?arrow_forward
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- what is the symmetry of the organism navicula? explainarrow_forwardDifferentiate between Phylum Porifera and Clade Eumetazoa. A)Poriferans are only haploid during their life cycle, whereas eumetazoans are diploid with haploid sex cells at various stages of their life cycle. B)Poriferans have mobile gametes while eumetazoans do not. C)Poriferans invert during their development whereas eumetazoans do not invert at any time during their life cycle. D)The various cells types of Poriferans do not form permanent associations into true tissues during their life cycle, whereas Eumetazoa possess true, stable tissues. E)Poriferans have only one kind of cell during their life cycle whereas Eumetazoa have many kinds of cells throughout their life cycle.arrow_forwardWhat kind of cleavage pattern characterizes snail development? Describe its orientation.arrow_forward
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