How are materials transported within a single cells organism

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Which food could be transported in a galvanized metal container?

What could happen if two base pairs on a strand of dna or switched