A cell is made up of different structures
Mutualism is when both sides benefit. The hummingbird gets nectar and the flower is benefited because the hummingbird that has been to other flowers carry pollen on its body which spread the flower when it sucks its nectar, therefore pollinating the flower in the process.
A woodcutter could justify cutting trees for use say in a pioneering situation whereby the pioneer needs shelter and food so trees could be necessary to say construct a small log cabin and table for eating/preparing food at to ensure the survival of the pioneer.
False, only some . Hope this helps !
Arctic & Alpine Tundra. Coniferous Forest (Taiga)
Tundra Biome. Alpine tundra in the Rocky Mountains of Colorado.
Coniferous Forest Biome.