Chapter 3 Lesson 2 Levels of Organization November 6, 2017
Cell Differentiation – M-H video – cell structure and function – https://www.youtube.com/watch?v=chTptrvKbfg&t=3s – The process by which cells become different types of cells is called cell differentiation. – Read pages 97-99. Chunk each page – 1 person read page 97, 1 person read page 98, 1 person read page 99. Then, get together and discuss what you read with your table. Be ready to share with the class.
Stem Cells – What is a stem cell? – Unspecialized cells that are able to develop into many different cell types. – What makes stem cells different from other types of cells? Video brainpop – Stem cells are found in animal AND plant cells.
Stem Cells in Medicine – https://www.youtube.com/watch?v=evH0I7Coc54 – https://www.youtube.com/watch?v=MwV1nBiYlFw – Get with a partner. Research (aka Google) Stem Cell Research – click on “News” to see relevant articles. Write down 2-3 sentences summarizing the article. Prepare to share with the class.
TISSUES pg. 101 – Groups of similar types of cells that work together to carry out specific jobs. • Muscle • Dermal movement Protection, prevents water loss • Connective • Vascular PLANT ANIMAL structure, support Transports water, nutrients • Nervous • Ground Sends msgs to/from brain Structure, support, where • Epithelial photosynthesis takes place (skin) Protective layer, lining of organs
ORGANS pg. 102 – Groups of different tissues working together to perform a particular job. Human Organs Plant Organs 1 human organ that contains ALL 4 types of tissue: STOMACH heart, brain, lungs leaf, root, stem, flower liver, stomach, intestines 1 plant organ that contains ALL 4 types of tissue: LEAF
ORGAN SYSTEMS pg. 103 – Groups of different organs working together to perform a series of tasks. Human Organ Systems Plant Organ Systems Skeletal System SHOOTS and ROOTS Muscular System Shoots: above ground Digestive System Roots: below ground Respiratory System Nervous System Circulatory System
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