Across
- 4. A permanent alteration in the DNA sequence that makes up a gene, differs from what is found in most of that species
- 5. a previous species that new species evolve from.
- 8. A branch of biology that studies early life stages and their development
- 10. A new species is formed over many generations of favorable adaptations gradually accumulate and non-favorable ones disappear.
- 11. inherited traits that improve an organisms chances of survival and reproduction in a certain environment
- 12. Structures that have different mature forms but develop from the same embryonic tissues
- 15. How biologists group organisms, rooted in works by Aristotle
- 16. Any genetic change in a population that is inherited over several generations
- 19. The genetic makeup of an individual organism
- 22. Resembles another species to gain an advantage at survival
- 23. differences (structural, molecular, and behavioral) within a species that makes individuals different
- 24. Structures in different species that have similar appearance or function but have evolved separately thus do not share a common ancestor
- 25. populations with the most desirable traits and ability to compete will live long enough to reproduce and pass on those beneficial traits.
- 26. Developed naming system still used today. Father of Taxonomy
Down
- 1. Blends into the environment
- 2. struggle between organisms for food, shelter, mates and living space
- 3. living things produce more offspring than needed for the species to survive
- 6. The branch of biology that classifies organisms and assigns each organism a universally accepted name.
- 7. The process where organisms better adapted to their environment tend to survive longer and produce more offspring
- 9. The genetic contribution of an individual to the next generations gene pool.
- 13. The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment (body structures and characteristics)
- 14. Intentional breeding of plants and animals to preserve traits that breeders want.
- 17. Remnants of structures that were once functional in an ancestor (now-reduced in size and serve little or no function
- 18. Shows a predator (or prey) that they are unpleasant to eat.
- 20. Individuals that have favorable traits and better adapted to survive will pass on these traits to future offspring
- 21. The variety of life in the world, or in a specific habitat or ecosystem