Answer:
If all frogs were to die off, a valuable food source will go missing in the food chain of many animals around the world after that the number of animals that eat the frogs will die off, then the animals that eat them will go hungry, and their populations will be devastated as well.
“Ex situ “ refers to off site or away from natural location
Vines are plants that are trailing woody and they belong to the grape family. Being in the forest, sun is blocked by the high tress that surround the area. The vines are then left with no sunlight. So they crawl and grown up the canopy to get their share of sunlight.
The answer is a. climbing up the canopy.
I'm not too sure which one of these two but its either A or C
