Ivan Pavlov discovered the principle of , in which a neutral stimulus acquires the ability to produce a response originally produced by another stimulus.

Agene in a type of bacteria when the ses bacteria reproduce asexually this mutation can only be inherited by

Which type of neuroglia is found outside of the brain?

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