Evolution and Earth History Vocabulary Crossword
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
 
 
Down: 1) comparing body structures of two different species3) The variety of life in the world or in a particular habitat or ecosystem4) similarity of function and superficial resemblance of structures that have different origins. similar structures that evolved independently in two living organisms to serve the same purpose 6) 9) the science of determining the relative order of past events10) the process where organisms with favorable traits are more likely to reproduce and adapt to their environment11) a theory that the outer rigid layer of the earth is divided into a couple of dozen plates12) remains or impression of a prehistoric organism preserved in petrified form cast in a rock14) a change or the process of change by which an organism or species becomes better suited to its environment.16) a core sample that is typically removed from an ice sheet or a high mountain glacier18) A fracture or zone of fractures between two blocks of rock19) the physical and psychological characteristics of an organism from both genetics and environment, or a group of organisms having like traits22) the genetic constitution of an organism; genes inherited from both parents Across: 1) tectonic plates that lie under surface land masses2) a type of rock which has been changed by extreme heat and pressure5)  fossils used to define and identify geologic periods7) A sequence of actions, natural and/or cultural, that shape and change environments8)  states that each rock layer is older than the one above it.13) The study of one type of evidence of evolution 14) Absolute dating is the process of determining an age on a specified chronology in archaeology and geology. 15)  method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.17) The difference in DNA sequences between individuals within a population20) when there are no more individuals of that species alive anywhere in the world - the species has died out.21) an organ or body part that appears in different animals and is similar in structure and location, but doesn't necessarily share the same purpose.23) is a permanent alteration in the DNA sequence that makes up a gene,24) Rocks formed by the cooling and solidifying of molten materials. Igneous rocks can form beneath the Earth's surface, or at its surface, as lava.25)  is a system of chronological dating that relates geological strata (stratigraphy) to time.
 

 

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