Which statement best describes the flow of energy and movement of chemical compounds in an ecosystem

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

a symbiotic relationship with the mitochondria

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.