Answer:
Producers
Explanation:
Autotrophs make their own food from chemical or light energy sources.
Explanation:
Molecules contain two or more atoms and are held together by covalent bonds, whereas compounds are held together by ionic bonds. Two or more elements bonded together through ionic attraction.
The answer is
(wavelength)
D! The Cell membrane in found in all cells, and it is a single (mono) layer.
The eardrum is a thin flap of skin that is stretched tight like a drum and vibrates when sound hits it.