L7_Key_1106S18.docx - BIOL 1106 Classwork Spring 2018 Lesson 7 Animal Body Homeostasis and Organization ANSWER KEY(29pts This graded assignment is

L7_Key_1106S18.docx - BIOL 1106 Classwork Spring 2018...

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BIOL 1106 Classwork Spring 2018 Lesson 7: Animal Body Homeostasis and Organization ANSWER KEY (29pts) This graded assignment is subject to the Virginia Tech Honor Code. Sharing or posting any content from this assignment, or using such shared or posted assignment content to answer assignment questions, is a violation of the Virginia Tech Honor Code. Learning Goal: Students will understand that animal bodies are self-regulated so that internal conditions fluctuate only within narrow limits and graph scientific data to model feedback loops. Learning Objectives (LOs): 2. Explain negative and positive feedback and give examples. 3. Categorize organisms with respect to temperature regulation and metabolic rate. 5. Describe the development of the early embryo and the embryonic tissue layers. 6. List distinguishing features of epithelial, connective, muscle, and nervous tissues. S1. Apply scientific reasoning to biological problems. S2: Present and plot scientific data in a variety of formats S3: Interpret and draw conclusions from scientific data. S4: Apply basic quantitative methods to biological problems Part I Distinguishing features of tissues (LOs 5, 6) Match the tissue on the left with the associated characteristic on the right. (5pts) Tissue Character 1. __ C __ Dense connective A. Voluntary control attached to bones 2. __ D __ Ectoderm B. Under involuntary control and lines blood vessels 3. __ E __ Endoderm C. Tendons and ligaments 4. __ F _ _ Epithelial D. Nerve tissue is derived from this germ layer 5. __ G __ Loose connective E. Linings of respiratory and digestive tracts develop from this tissue 6. __ H __ Mesoderm F. Functions in protection, secretion and absorption. It covers and lines internal organs. 7. _ _I __ Nervous G. Found beneath the skin and between organs 8. __ A __ Skeletal muscle H. Differentiates into tissues of the circulatory and skeletal systems (among others) 9. __ B __ Smooth muscle I. Conducts electrochemical signals called impulses 10. __ J __ Special connective J. Bone and cartilage are examples This graded assignment is subject to the Virginia Tech Honor Code. Sharing or posting any content from this assignment, or using such shared or posted assignment content to answer assignment questions, is a violation of the Virginia Tech Honor Code. 1
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BIOL 1106 Classwork Spring 2018 This graded assignment is subject to the Virginia Tech Honor Code. Sharing or posting any content from this assignment, or using such shared or posted assignment content to answer assignment questions, is a violation of the Virginia Tech Honor Code. 2
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BIOL 1106 Classwork Spring 2018 Part II Positive and negative feedback (LO 2) Hypoxia is a condition in which the body is deprived of adequate oxygen supply. Hypoxia often occurs when people travel to high altitudes and the air gets “thinner”. In these situations the percent of oxygen in the blood decreases and unless the body adjusts to the new conditions, altitude sickness can set in.
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