Gel electrophoresis separates fragments on the basis of weight and electric charge. Heavier and/or positively charged fragments don't go as far as lighter and/or negatively charged ones.
Answer:
To reduce water loss.
Explanation:
Keeping the stomata closed during the day, helps reduce water loss when dry, hot wind blows across it.
Answer:
The Elephant can be defined as a KEYSTONE SPECIE
Explanation:
A KEYSTONE SPECIE is an animal specie that maintains an ecosystem relative to their population. These species' activities, play a crucial role in maintaining the ecosystem. In this case, the elephant's activity of uprooting trees, helps in keeping the ecosystem in check, and support its current inhabitants.
