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Chapter 1 Biology

Chapter 1 biology words

TermDefinition
Biology The study of Life
Cytology Study of Cells
Botany Study of Plants
Ethics Moral and Principles
Organization
Cell Smallest unit that can perform life's processes
Unicellular Organisms that are made up of 1 cell such as bacteria
Multicellular Organisms made up of multiple cells such as humans or trees
Organ Structures that carry out specialized jobs within an organ system
Tissue Groups of cells that have similar abilities that allow the organ to function
Organelle Tiny structures that carry out functions necessary for the cell to live
Biological Molecule Chemical compounds that provide physical structure and that bring about movement, energy use, and other cellular functions
Homeostasis Constant internal condition
Metabolism Eat food to get energy
Cell Division Formation of two new cells from one existing cell
Development Organism becomes a mature adult
Reproduction Making more of themselves, essential for continuation of species
Gene Short segment of DNA that contains instructions for a single trait of an organism
Domain The three major subdivisions of all organisms
Kingdom Another system of grouping organisms divides all life into six major categories
Ecology Branch of biology that studies organisms interacting with each other and the enviroment
Ecosystem Communities of living species and their physical enviroments
Evolution Change over time
Natural Selection Organisms that have certain favorable traits that help them survive and reproduce
Adaption Help organisms ability to reproduce and survive
Scientific Method To learn how the natural world works
Observation Perceiving a natural occurrence that causes someone to pose a question
Hypothesis Educated guess
Prediction Statement that forecasts what would happen in a test situation if the hypothesis were true
Experiment Used to test a hypothesis and it's predictions
Control Group Provides a normal standard against which the biologist can compare result of the experimental group
Experimental Group Identical to the control group except one factor, the independent variable
Independent Variable What is being manipulated
Dependent Variable Scientist observes or measures this variable, also called the responding variable
Theory When a set of related hypothesis is confirmed to be true many times, and it can explain a great amount of data, scientists often reclassify as a theory
Peer Review Scientists who are experts in the field anonymously critique and read that research paper
Created by: 30143