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Evolution



                                B I P E D A L       S                          
                        P       I             A     E   N                      
              G         R       N             N     X   A                      
B O T T L E N E C K     E       O             C     U   T                      
              O         H       C       N     E     A   U                      
  G R A D U A L I S M   E       U       E     S     L   R                      
              O         N       L   H   A     T     S   A                      
              G         S       A   O   N     R     E   L                      
      F O S S I L       I       R   M   D     A     L   S                      
              C         L       V   I   E     L     E   E M B R Y O            
              T         E       I   N   R     T     C   L                      
              I         T       S   O   T     R     T   E                      
              M         A       I   I   H     A     I   C                      
              E   H     I       O   D   A     I     O   T                      
              S T A B I L I Z I N G S E L E C T I O N   I                      
              C   R                                     O                      
              A   D I R E C T I O N A L S E L E C T I O N                      
A R B O R E A L   Y                                                            
              E   W                                                            
                  E                                                            
                D I S R U P T I V E S E L E C T I O N                          
                  N                                                            
            C A M B R I A N E X P L O S I O N                                  
                  E                                                            
        N       A R T I F I C I A L S E L E C T I O N                          
        O         G                                     A                      
        C         P U N C T U A T E D E Q U I L I B R I U M                    
        T         R                                     S                      
        U         I                               D     T                      
        R       A N A L O G O U S S T R U C T U R E     R                      
        N         C                               R     A N T H R O P O I D    
        A D A P T I V E R A D I A T I O N         I     L                      
        L         P                           V   V   F O U N D E R E F F E C T
          H O M O L O G O U S S T R U C T U R E   E     P                      
              I   E   E               A       S   D   B I O G E O G R A P H Y  
              M       N               M       T   T     T                      
              I       E               O       I   R     H                      
              C       T               U       G   A     E                      
              R       I               F       I   I     C R O M A G N O N      
              Y       C               L       A   T     I                      
                      D               A       L         N                      
                      R               G       T         E V O L U T I O N      
                      I               E       R                                
                      F I T N E S S           A                                
                      T                     D I U R N A L                      
                                              T                                
Across Down
1 being able to walk with two legs
7 when a population and its diversity are reduced but only the population is later recovered
9 theory that evolution continues slowly
11 remains of a plant or animal that existed in a past geological age
12 an organism in the early stages of growth and differentiation
14 a type of natural selection in which extreme traits on both ends of the trait distribution are selected against
15 favors the expression of an extreme version of a beneficial trait
16 inhabiting trees
17 a natural selection that removes individuals with average traits
18 a dramatic diversification of life that began about 570 million years ago
20 a synonym for selective breeding
22 predicts that a lot of evolutionary change takes place in short periods of time
24 a structure with the same function but built differently
25 resembling a human in shape or appearance
26 when species differentiate from an ancestor within 14,000 years
28 the loss of genetic variation that occurs when a portion of a population is separated from the rest of the population
29 a structure with similar arrangements but used for different function
33 darwin's study on plants and animals around the world
34 an early form of modern human
35 change in the gene pool of a population from generation to generation by such processes as mutation, natural selection, and genetic drift
36 the ability for an organism to contribute to the pool gene of future generations
37 occurring during the daytime
  1
1 vision that incorporates images from two eyes simultaneously
2 a type of natural selection; choosing a mate over attractive characteristics
3 adapted for grasping especially by wrapping around an object
4 a trait developed from a previous ancestor
5 the process by which, only the organisms best adapted to their environment tend to survive and pass their genetic characteristics
6 the expanse of geological time in which it is separated into eras, periods, and epochs
8 an extinct species of human that was widely distributed in Ice-Age Europe
10 a primate of a family that includes humans and their fossil ancestors
13 what principle helps a population remain constant and in genetic equilibrium
19 of, relating to, or occurring in the night
21 any of several extinct humanlike bipedal primates
23 a trait that is new to an organism, but absent in it's common ancestor
27 structures that function less structures than they were functioning in an ancestral sprecies
30 morphological adaption in which a species acts like another species
31 different allelic patterns in a population
32 enables species to blend with their surroudings; allows a species to avoid detection by predators.
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