Make a bracketed or indented dichotomous key for identifying and classifying the 9 major Invertebrate Phyla:PoriferaCnidariaCtenophoraPlatyhelminthesNematodaMolluscaAnnelidaArthropodaEchinodermataRules to follow in constructing a dichotomous key:Only use observable characteristicsStart with major characteristics, placing organisms into two groups at each stageUse a single characteristic at a timeUse contrasting characteristics at each stage i.e. 1(a) short, 1(b) tallAvoid using the same characteristics

* A dichotomous key is used to identify different organisms and species based on observable…

Answered: Make a bracketed or indented…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Make a bracketed or indented dichotomous key for identifying and classifying the 9 major Invertebrate Phyla:

Porifera
Cnidaria
Ctenophora
Platyhelminthes
Nematoda
Mollusca
Annelida
Arthropoda
Echinodermata

Rules to follow in constructing a dichotomous key:

Only use observable characteristics
Start with major characteristics, placing organisms into two groups at each stage
Use a single characteristic at a time
Use contrasting characteristics at each stage i.e. 1(a) short, 1(b) tall
Avoid using the same characteristics

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