Across
- 1. structure, organ or bone that appears in different animals.
- 2. the act, process, or accident of varying in condition, character.
- 6. deals with the geographical distribution of plants and animals.
- 7. structure, anatomical feature that no longer seems to have a purpose.
- 8. selection, Breeding of plants and animals to produce desirable traits.
- 9. The genetic contribution of an individual to the next generation's gene pool relative to the average for the population.
Down
- 1. Capable of inheriting.
- 3. The organism becomes better fitted to survive and multiply in its environment.
- 4. Selection, adapt to a type of environment like predators, changes in climate.
- 5. The total number of persons inhabiting a country, city, or any district or area.
- 8. structure, having the same function but have evolved separately.