When did Jean Baptiste Lamarck states that all species on Earth are descendants of other less complex species?

1744-1829 is when she said that

as a camel goes without food, its hump begins to shrink. its fur prevents the camel from sweating too much.camels store fat in their humps, not water.

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.