What is the relation ship between language endangerment to linguistic diversity

Idon’t have a clue on how i should understand this i’m in need of assistance.

Which of the following is characteristic of an ethnic religion? a.) the religion has spread far beyond its hearth. b.) the religion is not focused on a particular region. c.) the religion is centered on the message of a prophet. d.) the religion attempts to appeal to people everywhere. e.) the religion does not actively try to convert others

Which two organisms in the food web would most likely be affected by a decrease in producers, or the plants, at the bottom base of the food web?