Agroup of antelope leaving the herd in search of better grassland is an example of
a.
immigration.
b.
emigration.
c.
increasing birth rate.
d.
decreasing death rate.
select the best answer from the choices provided

Which system revise and send electrical signals throughout the body

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

This is so important ugh its 25 points