Please help The movement of molecules down a concentration gradient through transport proteins in the cells membrane is a type of a. selective transport b. osmosis c. energy expenditure d. facilitated diffusion

where is the diagram?

if you insert the diagram ill be able to you

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.

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek