Home
My Puzzles
FAQ
Report bug
Collected Puzzles
User listed puzzles
Random Puzzle
Log In/Out

Chapter 20 Speciation and Macroevolution

Ebonie Ravenell

Vocabulary from chapter 20.

1
2                                       3
   
   
4   5                                
     
  6                                          
       
    7                                      
       
    8   9   10                
      11      
      12                                      
             
13       14        
          15       16  
                    17  
                       
                       
                     
              18                          
                 
                 
  19                
                 
              20                    
               
21                                          
            22                  
           
      23                            
     
24            

Across
2.a new species evolves within the same geographic region as the parental species
4.evolutionary diversification of many related species from one or a few ancestral species in a relatively short period
6.long periods of stasis are interrupted by short periods of rapid speciation
7.prevents gene flow after fertilization
9.a slow, steady change in species occurs over time
12.interspecific embryos dies during developement
18.contains multiple sets of chromosomes from two or more species
20.death of a species
21.occurs when one population becomes geographically isolated from the rest of the species and subsequently diverges
22.the evolution of a new species
23.extinction of numerous species, higher taxonomic groups
24.the concept of distinct kinds of organisims
Down
1.prevents interbreeding between two different species whose ranges overlap
3.distinctive courtship behaviors prevent mating between species
5.varied rates of growth for different parts of the body
6.structures originally fulfilled one role and changed and adapted for different role
8.continuous low-level extinctions of species
10.new ecological opportunities that were not exploited by an ancestral organism
11.prevents fertilization from taking place
13.reproduce at different times
14.choosing a mate based on its color or some other characteristic
15.juvenile characteristics retained in adulthood due to changes in timing of development.
16.the orderly sequence of events that occurs as an organism grows and matures
17.large scale phenotypic changes in populations, classified at the species level or higher
19.subdivision of species

Use the "Printable HTML" button to get a clean page, in either HTML or PDF, that you can use your browser's print button to print. This page won't have buttons or ads, just your puzzle. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!




Google
 
Web armoredpenguin.com

Copyright information Privacy information Contact us Blog