Answer:
Totipotent (omnipotent) stem cells can give rise to any of the 220 cell types found in an embryo as well as extra-embryonic cells (placenta). Pluripotent Stem Cells Pluripotent stem cells can give rise to all cell types of the body (but not the placenta). Multipotent Stem Cells Multipotent stem cells can develop into a limited number of cell types in a particular lineage.
Explanation:
Answer: An Organ System
Explanation: Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system generally grows above ground, where it absorbs the light needed for photosynthesis. The root system, which supports the plants and absorbs water and minerals, is usually underground.
A) The earth spins
The Earth is constantly spinning, or "rotating", which causes day and night
