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Name: ____________________________ Date: __________ Science Section 3.2 – STUDY GUIDE Specialized cell organ prokaryote nucleus organ system bone marrow eukaryote embryo organism unicellular organism meristem zygote stem cell tissues Vocab words: UNICELLULAR ORGANISMS (Don’t forget to highlight key words!) Organisms that are made up of only one cell, which have to carry out ALL life functions. A cell that can become many different types of cells A unicellular organism made of one prokaryotic cell, without a nucleus. Example: bacteria The locations for adult stem cells A unicellular organism made of one eukaryotic cell, with a nucleus. Examples: algae and fungus that causes athletes foot A specialized structure located inside eukaryotic cells. The name given to a fertilized egg The location where many stem cells are found Vocab words: MULTICELLULAR ORGANISMS (Don’t forget to highlight key words! Be able to match these with appropriate pictures! (Levels of Organization Mini-Lab) A cell in a multicellular organism that performs one function (has one job) Groups of similar types of cells that work together to carry out specific tasks. Examples: vascular (plants), connective (animals) Groups of different tissues working together to perform a particular job. Examples: roots, stem, leaves (plants), heart, brain, lungs (animals) Groups of different organs that work together to complete a series of tasks. Examples: shoot/root system (plants), digestive/immune system (animals) Group of organ systems that work together to carry out all the jobs needed for survival. The highest level of organization. Examples: sunflower, dog Stem cells in animals are similar to this in plants. Found on the tip of plant roots. Vascular dermal ground Epithelial connective muscle nervous Types of Tissue: PLANTS (Don’t forget to highlight key words!) Protection and prevention of water loss Photosynthesis, food storage, regeneration, support, and protection Transport of water and mineral, transport of food Types of Tissue: ANIMALS (Don’t forget to highlight key words!) Helps support our body Examples: bone, cartilage, blood Skin and other important organs are lined with this Sends signals to the brain Three types of this tissue. Voluntary or skeletal (contain long fibers that help us move), cardiac (help our heart beat), and smooth (food digestion) Fiber Differentiation Complex Other Vocab: (Don’t forget to highlight key words!) Made of two or more cell parts Process in which cells become specialized Basic unit of life A long muscle cell, thread like A series of repeat events or activities Cycle Cell Fill in the blank. ALL ABOUT UNICELLULAR AND MULTICELLULAR ORGANISMS 1.) Unicellular organisms carry out ______ the activities necessary to survive, like responding to their environment, getting rid of waste, growing, reproduction, etc. 2.) __________________organisms can be prokaryotes and eukaryotes. 3.) Each type of cell in a multicellular organism has ______specific job that is important to the survival of the organism. 4.) All cells in a multicellular organism comes from a ______cell, a fertilized egg. 5.) __________________organisms have stem cells (adults and embryos). 6.) ________________ organisms are always eukaryotes, Multiple Choice: What is the correct sequence of the levels of organization from smallest to largest? A. Cell, organ, tissue, organ system, organism B. Organism, organ, organ system, tissue, cell C. Cell, tissue, organ, organ system, organism D. Tissue, organ, organism, organ systems, cell Using this study guide, compare unicellular organisms to multicellular organisms. Prokaryotic organisms Eukaryotic organisms