Affiliate Marketing Secrets

Which of the following information could be included in the description of a grasshopper’s niche, but not in a description of its habitat
a)continent where it lives
b)biome
c)biotic factor
d)carbon source
How long are food chains?
a)four steps long
b)three steps long
c)varies with day length
d)varies with ecosystem
which location would most likely hold autotrophs that derive their energy from chemical compounds?
a)swamp sediments
b)antartic pools
c)grassland soil surface
d)desert rocks
Thanks!!!!