Natural Selection

123456789
Across
  1. 2. an inherited trait that increases an organism's chance of surviving and reproducing in a particular environment
  2. 7. structure body parts of organisms that are similar in structure and position but differ in function
  3. 9. a slight difference in an inherited trait among individual members of a species
Down
  1. 1. selection the process by which organisms with variations that help them survive in their environment live longer, compete better, and reproduce more than those that do not have the variations
  2. 3. an adaptation that enables a species to blend in with its environment
  3. 4. structure body part that has lost its original function through evolution
  4. 5. structure body parts that perform a similar function but differ in structure
  5. 6. breeding the selection and breeding of organisms for desired traits
  6. 8. an adaptation in which one species looks like another species