What are Lamarck’s Propositions? 4 main factors are: Internal vital force – this force causes all living things and their component parts to be continually increased Effect of environment and new needs – environmental changes have an impact on living entities causing them to change...
What are Lamarck’s Propositions?
4 main factors are:
- Internal vital force – this force causes all living things and their component parts to be continually increased
- Effect of environment and new needs – environmental changes have an impact on living entities causing them to change leading to new needs. These needs generate new structure altering habits of entities
- Use and disuse of entities – more usage of organs causes it to develop better, disuse of organs leads to degeneration
- Inheritance of acquired traits – characteristics adapted as a result of all these above factors passing on to the next generations. It is a continuous process. These variations are accumulated over generations leading to the formation of a new species.