WILLIAMS 30 Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 1) all the different populations that live in the same place at the same time2) an organism that gets its energy by eating other organisms4) grouping of objects or organisms based on similarities and differences between them5) a consumer that feeds on wastes or remains of other organisms, and returns matter to the environment as it breaks down those remains8) an organelle that captures the energy of sunlight11) a tool that can be used to determine the identity of something by using observations to answer a series of questions13) the basic unit of structure and function in all organisms15) the group of organs that break food down into molecules that are small enough to be absorbed by and transported throughout the body16) the fluid the occupies most of the space with in a cell19) a tiny blood vessel that connects an artery to a vein and that exchanges substances such as gases and nutrients between the blood and body cells23) the molecule that determines what traits are passed from one generation to the next24)  a flexible connect tissue that is part of the skeletal system Across: 3) a tightly coiled structure found in the nucleus of most cells that contains the organism's genetic information4) a scientific theory which states that all living are composed of one or more cells,the is the basic unit of structure and function in all living things and all cells come from existing, living cells6) the process in which oxygen is combined with food to release energy7) the process that breaks down food molecules into simpler substances9)  a symbiotic relationship in which one organism benefits and the other is not effected10) information gathered during a investigation12) an explanation of what the evidence collected during an investigation shows14) a sheetlike muscle beneath the lungs that expands and contracts the chest cavity to control breathing17) a consumer that eats only or mostly animals18) how an organism changes during its lifetime20) a relationship in which multiple organisms try to use the same resources21) a process in which bacteria remove nitrogen from nitrogen compounds and change it back into nitorgen gas, which is returned to the atmosphere22) a transport system that uses blood to carry nutrients and oxygen to the cells of the body24)  the type of muscle tissue that makes up the heart25) the body system made up of the brain and spinal chord26) a thin, flexible barrier that surrounds the cell's contents27) the variable that may change in response to the independent variable28)  a factor that is kept constant during an experiment
 

 

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