Answer:
if plants had less chloroplasts then they wouldn't be able to get energy from the sun and end up dying
Biological diversity is the variety of species in a given area. If a new species is added there are more species and therefore greater biological diversity and if one goes extinct there are less species and therefore less biological diversity.
B. Group number
For example, Sodium(Na) is in Group 1 and Na^+ has a charge of +1.
