Porifera Cnidaria Mollusca Annelida Arachnida Insecta Echinodermata Number of Body Regions Number of Walking Legs Antennae? Type of mouth parts (chewing or sucking) Specialized Appendages (if any, list) Habitat

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Summary of Invertebrate Characteristics
Use your observations, textbook, or another reference source in order to complete Table 13.2.
Table 13.3. Invertebrate Characteristics.
.
Porifera
.
Cnidaria
.
Mollusca
Echinodermata
.
Annelida
Arachnida
Insectal
Number
of Body
Regions
Number
of
Walking
Legs
Antennae?
VERTEBRATES
Phylum Chordata
Phylum Chordata includes organisms with very different body plans. However, they all share four
characteristics at some point of their life cycle:
. A notochord, which is a flexible rod of stiffened tissue that supports the body.
. The nervous system develops from a dorsal (back or posterior), hollow nerve cord.
Pharyngeal slits in the embryo.
• A post-anal tail.
Type of
mouth
parts
(chewing
or sucking)
This phylum is subdivided into three subphyla. The first two subphyla are still invertebrates.
The vertebral column appears only in subphylum vertebrata.
Subphylum Urochordata-tunicates
Subphylum Cephalochordata-lancelets
Subphylum Vertebrata-vertebrates
Specialized
Appendages
(if any, list)
Habitat
Transcribed Image Text:Summary of Invertebrate Characteristics Use your observations, textbook, or another reference source in order to complete Table 13.2. Table 13.3. Invertebrate Characteristics. . Porifera . Cnidaria . Mollusca Echinodermata . Annelida Arachnida Insectal Number of Body Regions Number of Walking Legs Antennae? VERTEBRATES Phylum Chordata Phylum Chordata includes organisms with very different body plans. However, they all share four characteristics at some point of their life cycle: . A notochord, which is a flexible rod of stiffened tissue that supports the body. . The nervous system develops from a dorsal (back or posterior), hollow nerve cord. Pharyngeal slits in the embryo. • A post-anal tail. Type of mouth parts (chewing or sucking) This phylum is subdivided into three subphyla. The first two subphyla are still invertebrates. The vertebral column appears only in subphylum vertebrata. Subphylum Urochordata-tunicates Subphylum Cephalochordata-lancelets Subphylum Vertebrata-vertebrates Specialized Appendages (if any, list) Habitat
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