BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 32.3, Problem 1LO
Summary Introduction
To determine: The characters that distinguish the major animal phyla.
Introduction: The term classification refers to the categorization of living organisms on the basis of certain characteristics features which are either similar or different in the organisms. Animals sharing similar features are placed within the same taxonomic category and those which exhibit dissimilarity are placed separately.
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Describe the characteristics of animals that differentiate them from the other kingdoms of organisms.
Make a phylogenetic tree about:
Animalia● Vertebrates● Invertebrates● Porifera● Coelenterata (Cnidaria)● Platyhelminthes● Nematoda● Annelida● Arthropoda● Mollusca● Echinodermata● Hemichordata● Chordata
(Label all the synapomorphies and include descriptions and side notes)
BIOLOGY: Major Animal Phyla
After examining the different specimens, construct a dichotomous key to the different phyla.
1. Develop a DICHOTOMOUS KEY to the CLASSES of Phylum
ECHINODERMATA:
Class Asteroidea (specimen: Linkia (blue sea star)),
Class Ophiuroidea (specimen: Ophiotrix (brittle star)),
Class Echinoidea (specimen: Diadema (black sea urchin)), &
Class Holothuroidea (specimen: Holothuria (sea cucumber))
2. Develop a DICHOTOMOUS KEY to the CLASSES of Subphylum
VERTEBRATA;
Class Amphibia (specimen: Rhinella marina (toad)),
Class Reptilia (specimen: Coura amboinensis (turtle), Hemidactylus (house
lizard), Elaphe erythrura (snake)),
Class Aves (specimen: Gallus gallus (chicken)),
Class Mammalia (specimen: Homo sapiens (human))
Chapter 32 Solutions
BIOLOGY
Ch. 32.1 - Prob. 1LOCh. 32.2 - Prob. 1LOCh. 32.2 - Prob. 2LOCh. 32.2 - Prob. 3LOCh. 32.3 - Prob. 1LOCh. 32.3 - Prob. 2LOCh. 32.3 - Prob. 3LOCh. 32.4 - Prob. 1LOCh. 32.4 - Prob. 2LOCh. 32.5 - Prob. 1LO
Ch. 32.5 - Prob. 2LOCh. 32.5 - Prob. 3LOCh. 32.6 - Prob. 1LOCh. 32.6 - Prob. 2LOCh. 32 - Prob. 1IQCh. 32 - Prob. 1UCh. 32 - Animals are unique in the fact that they possess...Ch. 32 - In animal sexual reproduction the gametes are...Ch. 32 - The evolution of bilateral symmetry was a...Ch. 32 - A fluid-filled cavity that develops completely...Ch. 32 - Which of the following statements is NOT true...Ch. 32 - Which of the following characteristics is used to...Ch. 32 - With regard to classification of animals, the...Ch. 32 - The coelom a. is a synapomorphy for the clade...Ch. 32 - A coelomate organism may have which of the...Ch. 32 - Which of the following cell types of a sponge...Ch. 32 - Prob. 12UCh. 32 - Prob. 13UCh. 32 - The following diagram is of the blastopore sage of...Ch. 32 - Prob. 2ACh. 32 - Prob. 3ACh. 32 - Which of the following cell layers is not...Ch. 32 - Prob. 2S
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- Accurately depict the evolutionary relationships among spiders, birds, porifera, homosapiens, lampreys, nematoda, tuna, clam and jellyfish by listing them in order from most closely related to most distantly related. Indicate where different types of body symmetry arise and where major evolutionary features originated in vertebrates.arrow_forwardList the criteria that distinguishes animals from other organisms?arrow_forwardA) Draw a phylogenetic tree for the major phyla of the animal kingdom. Label the appropriate branch points on the tree with the following features: Tissue, radial symmetry, bilateral symmetry, body cavity, deuterostomes, and protostomes. B). Draw a diagram of a hydra. On the hydra, label the mouth (hypostome), tentacles, basal disk, ovary, budding polyp, gastrovascular cavity. State the function of each structure you labeled next to or under your diagram.arrow_forward
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