Answer: C) emperor penguin
Explanation: The others are ectothermic and not endothermic.
Answer:
The entire viral particle penetrates an animal cell, while only the viral genome penetrates a bacterial cell.
Explanation:
Answer:
Energy
Explanation:
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels.