Answer;
The llama and the alpaca were used as beasts of burden in the Andes.
Explanation;
-A beast of burden is drought animal that carries or pulls heavy loads, such as a donkey, mule, llama, camel etc.
-The Andean animal used as a beast of burden is an Alpaca and the Llamas. They are docile, fluffy animals that can withstand the cold of the mountains. As such, they make excellent work animals.
-Male llamas have been been used as beasts of burden in the Peruvian and Bolivian Andes ranges for more than 4000 years.
Answer:
I would say C cell membrane
Explanation:
At the very end of the cladogram at the very top of a clade in the middle of a clade along the main trunk of the cladogram
I haven't taken biology since my freshman year of high school, so this is kind of a guess. But I know for sure it isn't a solid. So I would go with a gas.
It's called a mutualistic relationship! :)
I hope this helps!:)