1. Common Ancestor
2. Punctuated Equilibrium
3. Adaption
4. Overproduction
5. Body
6. Older
7. Inheritance
8. Homologous Structures
I dont really know if 6 is correct
Buffalo are herbivores, they only eat vegetation (greens). Look into what is naturally grown around them.
Answer: D. helps in digestion
Explanation: Gastric juice in the stomach contains HCL which creates an acidic condition(pH1.5-2.0) which is optimal for the action of enzymes in the stomach. HCL stops the activity of salivary amylase & helps to kill bacteria in food. It doesn’t help in digestion cuz it is not an enzyme.
The answer is A. resonance. A resonant frequency means a natural frequency which is a part of vibration made by the physical parameters of any vibrating object. A vibrating object will get the resonant frequency from complex excitation and would vibrate.