B and D. The xylem and the phloem make up the vascular tissue of plants and transport water, sugar, and other important substances around a plant.
The cells that die are emptied, leaving hollow cell walls with their ends open, thus forming pipe-like structures
Hope this helps
This is the order:
Nominate, Nonsense, Obscure, Shimmer, Signal
Answer:
Explanation:
A gene can be turned on or off by environmental factors or from other cells that activate proteins known as transcription factors.
B. He found similar fossils on different continents that are separated by oceans.
The principles of probability can be used to predict the outcomes of genetic crosse
