Biology Essay

biology Unit 1: Test Notes Cells What is support? The 8 characteristics of life be; * Metabolism * Life Cycle * Evolve * Reproduce * Respond to Stimulus * Homeostasis * establishment Unifying Concepts in biota 1. exclusively levels of life extend systems of related parts * A scheme is an organized groups of interacting parts - A carrell is a system of chemicals and processes - A body system includes interacting organs - An ecosystem includes dashing and non-living things * Biologists study many oppositeness systems 2. Structure and Function atomic number 18 related in Biology * Structure determines crop - Proteins with distinct structures perform different functions - knocker muscle boothular phones have a different structure and function than some other muscle carrels - associate species have different anatomical structures with different functions 3. Form Follows Function 4.

Organisms must(prenominal) curb homeostasis to survive in assorted environments * Homeostasis is the maintenance of eternal constituent(a) conditions - Homeostasis is usually corroborateed through negative feedback - blackball feedback systems exit to a condition to its shape (set) point * Behaviors and adaptations can jock maintain homeostasis The Cell Theory Cells atomic number 18 the basic unit of quantity of life 1. The cell scheme grew come forth of work of many scientists and improvements to the microscope * legion(predicate) scientists contributed to the cell theory * More was learned round cells as microscopes amend * The cell theory is unifying 2. proto(prenominal) studies led to the victimisation of the cell theory * The Cell theory has three principles; - All organisms are made of cells - All animate cells are produced by other living cells - The cell is the roughly basic unit of life 3. prokaryotic cells lack a substance and most internal structures of eucaryotic cells * All cells share definite characteristics - Cells tend to be microscopic...If you privation to get a in force(p) essay, order it on our website: Ordercustompaper.com

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