True or false: A spider web is considered a biotic factor
A. True
B. False

The deserts of the sahara and australia are associated with

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?