Some birds are pollinators that co-evolved with plants.
Hummingbirds are an important groups of bird pollinators.
Hummingbirds co-evolved with plants.
what co-evolved with plants?
[1] gravity
[2] peachleaf willow
[3] Chemical energy
[4] Organic compounds
[5] hummingbirds
[6] h2o
[7] density
[8] animals