Natural Selection

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Across
  1. 1. is a group of organisms that can reproduce with another nature.
  2. 4. is a any difference between cells organisms and groups.
  3. 5. is th bological mechanism by wich orgnanisms adjust to new environments.
  4. 6. is a reproductive succes and reflects how well an organism is adapted.
Down
  1. 2. is the complete disapparance of a species.
  2. 3. is a mechanism of evolution