Answer:
Ar
Explanation:
Argon isn't with the metals on the periodic table
He observed 15 different finch species that originated as one ancestral bird. all differing in body shape, beak size, and mating habbits
Answer:anser is b have a good one
Explanation:
Answer:
The cell membrane separates the external and internal environment of the cell. The cell membrane is composed of bilayer lipids, proteins and small amount of carbohydrates.
The lipid part is soluble in hydrophobic environment or with the hydrophobic part of other phospholipids because like molecules dissolve in like molecules. The hydrophobic part is non polar and hydrophilic parts is able to dissolve in polar area due to the interaction of same molecules with each other.
It has 3 layers
an animal cell has no cell wall but a plant cell dose
it protects,support, and gives the plants their shape
