Diversity and genetics
Across
- 6. when there are no living individuals of a species left in the wild and/or in captivity.
- 8. when variation in the population makes some organisms better suited to live and reproduce in a particular environment.
- 10. a group of similar organisms that reproduce to make fertile offspring
- 11. are organisms that can survive in extreme conditions, such as very high temperature, pressure, salt or extreme pH.
- 12. the change in DNA
Down
- 1. characteristics that allow an organism to live and reproduce in its habitat
- 2. fertilized egg cell that results from the union of a female gamete with a male gamete
- 3. when an new kind of plant or animal species is created
- 4. a physical characteristic
- 5. a molecule in every nucleus of an organism that is a code containing all genotypes of the individual.
- 7. the particular DNA that codes for a phenotype
- 9. a change in the inherited characteristics of a population over time caused by natural selection.