An allele is a variant form of a gene. some genes have a variety of different forms,which are located at the same position, or genetic locus, on a chromosome.
Your answer is D. Because the Earth rotating on it's axis causes Day and Night
Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
Answer:
The root and shoot systems facilitate the ability to absorb, CO2, light, water, and minerals. The root system consists of the roots, and the shoot system consists of the stems and leaves. Angiosperms and vascular plants rely on these two systems. Roots are nonphotosynthetic and starve unless photosynthesates are absorbed through the shoot system. The shoot system depends on the roots to absorb nutrients.
Explanation:
Plants absorb the water from the soil ( through their roots) and then release it back into the atmosphere by transpiration (evaporation from the leaves)
