Evolution and Earth History Vocabulary Crossword
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
 
 
Down: 1) the physical and psychological characteristics of an organism from both genetics and environment, or a group of organisms having like traits2)  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.3) 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 5) the process where organisms with favorable traits are more likely to reproduce and adapt to their environment9) A fracture or zone of fractures between two blocks of rock10) the genetic constitution of an organism; genes inherited from both parents 12) remains or impression of a prehistoric organism preserved in petrified form cast in a rock13) comparing body structures of two different species19)  fossils used to define and identify geologic periods20) is a permanent alteration in the DNA sequence that makes up a gene,25) a core sample that is typically removed from an ice sheet or a high mountain glacier Across: 4) when there are no more individuals of that species alive anywhere in the world - the species has died out.6) 7) The difference in DNA sequences between individuals within a population8)  states that each rock layer is older than the one above it.11) the science of determining the relative order of past events14) 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.15) The variety of life in the world or in a particular habitat or ecosystem16) A sequence of actions, natural and/or cultural, that shape and change environments17)  is a system of chronological dating that relates geological strata (stratigraphy) to time.18) a type of rock which has been changed by extreme heat and pressure21) 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.22) tectonic plates that lie under surface land masses23) Absolute dating is the process of determining an age on a specified chronology in archaeology and geology. 24) The study of one type of evidence of evolution 26) a change or the process of change by which an organism or species becomes better suited to its environment.27) a theory that the outer rigid layer of the earth is divided into a couple of dozen plates
 

 

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