Answer:
It is important because plants respond to light depend, logically enough, on the plant's ability to sense light. Phototropism is a directional response that allows plants to grow towards, or in some cases away from, a source of light. Photoperiodism is the regulation of physiology or development in response to day length.
Answer:
It's a loner compared to other stars.
Explanation:
Most stars have a companion, with some part of a triple or even a quadruple system.
Answer:
The shape of the most apical layer of cells, closest to the free space.
Explanation:
