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Exam (elaborations)

Bio 182 Exam 4 Questions With Correct Answers

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BIO 182 EXAM 4 QUESTIONS WITH CORRECT ANSWERS

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Phylum Chordata


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- notochord
- Dorsal hollow nerve cord
- Pharyngeal slits (gills)
- Postanal tail




Connective Tissue


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, - sparse population of cells in an extracellular matrux conssiting of a web
of protein fibers withing a uniform foundation that may be liquid, jellylike, or
solid
- Functions: bind and support other tissues




Exotherms


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- Obtain body heat primarily by absorbing it from their surroundings




Mesohyl


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between choanocytes and epithelial cells SPONGES




Regulators


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Work to maintain body different than environment
- Requires more energy
(Humans)




Nemotocysts

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Stinging cells on tentacles used to capture prey




Negative Feedback


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- Response is opposite of the original stimulus
- Sweating, Blood sugar, shivering




How to sponges respoduce


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Sexually and asexually




Main organ systems of vertabrates


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- Circulatory system
- Digestive System
- Endocrine
- Excretory
- Lymphatic and immune system
- Integumentary
- Muscular-Skeletal
- Nervous

, - Reproductive
- Respiratory




Spongocoel


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The place where the water is drawn into from pores (ostia) SPONGES




Parazoa


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without specialized tissues or organs
- Porifera (sponges)




First Triploblast


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Platyhelminthes; three embryonic germ layers




Muscular System and skeletal system


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