Answer:
Researchers need a lot of data to monitor a species population because the environment is very diverse in types of species found at different places .
What happens to one part of it could affect the population of other animals, humans, and may also effect the ecosystem of that certain environmental region .
Parenchyma is the answer because whereas the other two, xylem and phloem are vascular tissues, parenchyma is a packing tissue.
Answer – Vihara; Chaitya
Buddhist monastic communities made two types of rock-cut
halls; one was called the Vihara, used for the monks' living quarters, and
the other was the Chaitya, which meant
"sanctuary."