Which kingdom contains organisms that are multi/unicellular and have cell walls which contain chitin?

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Which layer will become saturated first when rain falls?

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided