E-o3 Crossword
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
 
 
Down: 2) the process by which organisms best suited to their environments survive4) breaking food into smaller pieces5) A organ that makes bile, a liquid that helps break down fat.6) anything that limits the number of individuals that can live in an ecosystem.8) the organ system that works with the skeletal system to move the body , and helps pump blood through out the body.9) a symbiotic relationship were both species benefit.10) a structure that carries out a specific job in the cell12) a nerve cell Across: 1) organelles that provide energy to cells by carrying out cellular respiration 3) a change in a gene or chromosome.5) tough fibers that connect bones to each other at joins7) the death of huge numbers of species in a fairly short period of time.9) a diagram that cat can be used to show how the parts of a system are related to each other 11) a process in which bacteria in soil change nitrogen gas into nitrogen compounds that are usable by other living things. 13) a body system that controls and coordinates body functions and responses to stimuli14) a group of tissues that work together to perform a task.15) organs in the chest that are the main organs of the respiratory system
 

 

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