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 .
Answer:
The nucleus is found in both plant and animal cells along with the vacuole
Explanation:
Because almost all small streams end up in bigger bodies of water.
