lamarck's+explanation

Lamarck's Explanation


 * born August 1, 1744
 * youngest of eleven children
 * He was a French scientist.
 * Lamarck had a collection of invertebrates.
 * He was the first to propose unifying hypothesis of species.
 * He hypothesised about an aquired trait
 * an aquired trait is one that is not determined by genes. instead, it arises during an organism's lifetime as a result of the organism's experience or behavior
 * Lamarck made a study of habits and physiology of shore birds.
 * His hypothesis was attacked by scientist who rejected the idea of evolution itself.
 * His ideas were later disapproved
 * Lamarck was the first to clearly state that types of organsisms change over time and that new types of organsisms are modified descendants of older types.
 * this idea was presented more convincingly more than 50 years later by Charles Darwin.
 * In the mid 1800's both Charles Darwin and Alfred Wallas independently proposed the hypothesis that species were modified by natural selection.
 * **Natural Selection-** Organisms best suited to their enviorment reproduce more successfully than other organisms.
 * **Population-**or interbreeding single species group.