Finally another great example is a vascular plant which adapted from early non-vascular plants. Vascular plants had to adapt and develop an internal transportation system. 2. ... Geographical/Biological Isolation and reproductive Isolation are what guide to speciation. ... Geographical/Biological Isolation and reproductive Isolation must occur in order for one original species to have developed into two different species. 3. ... When these organisms have a serious disease, organ problems/malfunctions, inefficient amount of blood and even reproductive problems we can intervene with their gene...

• Word Count: 1240
• Approx Pages: 5
• Grade Level: Undergraduate

Present day research scientists are engaged in thorough analysis of plant and animal life in an effort to discover their origin and understand their response to certain factors in the society such as drought and disease. ... The tail of a human being, the functionless organs like the appendix and the improper design of the space between the Fallopian tube and the human ovary are exampled by the other aiming to explain the evolution process. ... Darwin had a strong believe in the disuse and use of organs, thereby making him Lamarckian. ...

• Word Count: 2972
• Approx Pages: 12
• Has Bibliography
• Grade Level: Undergraduate