Across
- 4. Symmetry refers to a body that is laid out equally from central axis.
- 6. the branch of science concerned with fossil animals and plants.
- 9. swimming strokes.
- 11. derived from more than one common evolutionary ancestor or ancestral group and therefore not suitable for placing in the same taxon.
- 13. refers to the back.
- 16. also called as segmentation
- 18. it is a tool to emphasizes the functional and evolutionary.
- 22. is the study of how decay and tissue disintegration affect fossilization.
- 24. electric record of the muscle.
- 25. Selection the mechanism of evolution.
- 29. an attached appendage has a region farthest.
- 31. describes the way in which an animal's body meets the surrounding environment.
- 32. also called phylogenetic systematics.
- 33. to features with a similar function.
- 34. refers to the tail.
- 35. the scientist who felt that species were fixed and unchangeable.
- 38. to features that simply look alike.
- 39. agassiz he studied fossil fishes and was first to recognize evidence of the worldwide ice ages, episodes of glaciation in Earth’s history
Down
- 1. Darwin he proposed the conditions for and mechanism of this evolutionary change.
- 2. the mid-line of the body.
- 3. is the study of relationships among different groups of organisms and their evolutionary development.
- 5. descended from a common evolutionary ancestor or ancestral group, but not including all the descendant groups.
- 7. sweeping side to side movements of tail.
- 8. a tree diagram, especially one showing taxonomic relationships.
- 10. is a lineage—all organisms in a lineage plus the ancestor they have in common.
- 11. closest to the body.
- 12. used by a scientist studying phylogenetic systematics to visualize the groups of organisms being compared, how they are related, and their most common ancestors.
- 14. anatomy deals with anatomy and its significance
- 15. refers to the belly or front.
- 17. is the term that has been coined to recognize the importance of ecological analysis in the examination of a morphological system.
- 19. refers to the sides.
- 20. or monophylogeny, is a term used to describe a group of organisms that are classified in the same taxon and share a most common recent ancestor.
- 21. a body or structure built of repeating or duplicated sections.
- 23. a method of placing fossils in a relative sequence to each other
- 26. refers to the head.
- 27. is restricted to mean the action or property of a part as it works in an organism.
- 28. is the process of an animal or plant becoming preserved in a hard, petrified form.
- 30. Symmetry it devides the body into two mirrored images.
- 36. applies to two or more features that share a common ancestry.
- 37. is simply a named group of organisms.