A. metallic
I gotta use 20 characters so ignore this bucko
the basic unit of life is the cell
1) The bean plant gets energy directly from the sun to make its food by photosynthesis
2) The squirrel's digestive system breaks down food for energy
Hope this helped. :)
Hormones are the chemicals that play important role in human body. The changes in human body is mainly related to the hormonal changes. In case of a female, hormones play a very significant role. If the diet is unhealthy or laden with extra hormones or chemicals that mimic hormones, the female my experience and early puberty. In such case, the menarche can be reached earlier than expected.
Thus, diet laden with hormone mimicking chemicals are expected of contributing to girl's earlier experience of menarche.
Gregor Mendel was an important scientist, considered to be the founder of the science of genetics. His experiments on the crossbreeding of plants and the passing down of favourable traits, led him to establish the laws of Mendelian inheritance. He was using pea plants for his experiments and he was studying seven different pea traits: pea shape and color, pod shape and color, flower color, plant size and position of flowers.
