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Midterm

Topics For Test 3 (got 96%)

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Department
Biological Sciences
Course Code
BIOL 1002
Professor
All

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Topic list Test 3
Chapter 23
1. The groups that make up the protostomes – Ecdysozoans/Lophotrochozoans
a. Ecdysozoans
i. arthropods and roundworms (anthropoda and nematoda)
ii. members have bodies covered by an outer layer that is periodically shed.
b. Lophotrochozoans
i. special feeding structure called a lophophore,
ii. members pass through a particular type of developmental stage called a trochophore
larva.
iii. Flatworms, annelids, and mollusks (Platyhelminthes, annelida, Mollusca)
2. Body cavities
a. No coelom: no space between tissue from the endoderm and mesoderm
b. Pseudocoelom have body cavities that are not fully-lined with tissue from the mesoderm.
c. True coelom has a fully-lined cavity from the mesoderm
d. Fig 23-3
i.
3. Identify the phylum by figure (diagrams). Annelida, Mollusca, Arthropoda, Nematoda, and Echinodermata
a.
4. This animal belongs to which group? (pictures) Annelida, Mollusca, Arthropoda, Nematoda, and
Echinodermata
a. Annelids
i.
b. Mollusca
i.
c. Anthropoda
d. Nematoda
e. Echinodermata

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Description
Topic list Test 3Chapter 231The groups that make up the protostomesEcdysozoansLophotrochozoansaEcdysozoansiarthropods and roundworms anthropoda and nematodaiimembers have bodies covered by an outer layer that is periodically shedbLophotrochozoansispecial feeding structure called a lophophoreiimembers pass through a particular type of developmental stage called a trochophore larvaiiiFlatworms annelids and mollusks Platyhelminthes annelida Mollusca2Body cavitiesaNo coelom no space between tissue from the endoderm and mesodermbPseudocoelom have body cavities that are not fullylined with tissue from the mesodermcTrue coelom has a fullylined cavity from the mesodermdFig 233i3Identify the phylum by figure diagrams Annelida Mollusca Arthropoda Nematoda and Echinodermataa4This animal belongs to which group pictures Annelida Mollusca Arthropoda Nematoda and EchinodermataaAnnelids
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