uh I'm to lazy to think lol
D) stimulus because it is something external that we REACT to, or something that provokes a response
un organismo que deriva sus requerimientos nutricionales de sustancias orgánicas complejas.
Answer:
B
Explanation:
The law of superposition states that rock strata (layers) farthest from the ground surface are the oldest (formed first)
Hope this helps :)
The purpose of the transport proteins is to protect the cell's internal environment and to keep its balance of salts, nutrients, and proteins within a range that keeps the cell and the organism alive. There are four main ways that molecules can pass through a phospholipid membrane.