"Lamb" Natural Recordings by Native Speakers
A lamb is a young sheep, typically less than one year old. The term is often used metaphorically to refer to a child or someone who is still young and inexperienced.
Jean-Baptiste Lamarck was a French naturalist and biologist who lived from 1744 to 1829. He was a prominent figure in the 18th-century French intellectual circle, and made significant contributions to the fields of botany, zoology, and paleontology.<br><br>In biology, Lamarck is most famous for his theory of "inheritance of acquired characteristics," also known as neo-Lamarckism. In this theory, he proposed that an organism could pass on characteristics it had acquired through use or disuse during its lifetime to its offspring. For example, if a giraffe stretched its neck to reach leaves that were out of reach, its offspring would inherit a longer neck as a result.<br><br>Lamarck's theory was a major alternative to Charles Darwin's concept of evolution through natural selection, which became widely accepted in the latter half of the 19th century. Today, Lamarck's theory is considered obsolete and is no longer widely accepted by the scientific community. However, his work on evolution and the classification of organisms remains important in the history of biology.