Answer:
1) The human reproductive organ that produces sperms and also secretes hormone is testis.
2) The hormone testosterone is secreted which is responsible for the development of male secondary seksual characters such as body hair, muscles and bone mass.
If a corn plant has a genotype of Ttyy, what are the possible genetic combinations that could be present in a single grain of pollen from this plant.
Answer:
He came up with the theory of natural selection, for which he is famous for
Explanation:
Darwin studied closely related species of finches and devised that species change over time as they adapt over time in what is known as evolution.
