Answer: Symbiosis and Parasitism
Explanation: Two organisms can be in a mutual relationship (symbiotic) and benefit from each other or one lives in the body of another and benefits from it, while the host organism suffers.
Answer:
commercialism
Explanation:
an association between two organisms in which one benefits and the other derives neither benefit nor harm.
Answer:
The stomach produces hydrochloric acid.It kills many harmful microorganisms that might have been swallowed along with the food.The enzymes work best in acidic conditions-at low pH
The savanna is very dry and desert like. Grasslands get precipitation and have tons of grass, hence the name grasslands.