Select all that apply. Three possible reasons for the expansion of smaller kingdoms are .

The grass is greener elsewhere.
Leaders are greedy for more power and land.
It is better to be larger than smaller.
Neighbours are becoming too strong.
A larger population requires more food.

Which of these describes nerve cells? a. specialized cells that protect the body from harmful bacteria b. specialized cells that maintain structural support c. specialized cells that send messages from one part of the body to another d. specialized cells that the body move freely and maintain flexibility