Which kingdom contains organisms that are multicellular, heterotrophic, eukaryotic, and lack cell walls? a. animalia b. protista c. plantae d. fungi

The right answer is A. Animalia.

Indeed, Animalia contains organisms that are multicellular, heterotrophic, eukaryotic, and does not have cell walls.

Protista is mainly unicellular organism, they are not considered as multicellular.

Plantae are an autotrophic organism, and does have cell walls.

Fungi are a heterotrophic and eukaryotic organism, but does have cell walls.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.