Speciation is not a mechanism of microevolution.
Fruits contain acids that make them sweet!
The kidney or the liver one of those are correct you didn't give options
Answer:
Mechanical Digestion
The large pieces of food that are ingested have to be broken into smaller particles that can be acted upon by various enzymes. This is mechanical digestion, which begins in the mouth with chewing or mastication and continues with churning and mixing actions in the stomach.
Explanation:
Answer:
to cross the plasma membrane.
Explanation:
Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.