Answer: Flow of electric charges- current
Opposition to the flow of electric current- resistance
Stored potential energy at the source of a circuit- Voltage
Explanation:
Including the arthropods (e.g., insects, crabs), mollusks (clams, snails), annelid worms
including those of the phyla Echinodermata (e.g., starfish, sea urchins), Chordata (e.g., sea squirts, lancelets, and vertebrates), Chaetognatha (e.g., arrowwo
The nutrients get to the cells in a flatworms solid acoelomate body by diffusion process. Flatworms feed primarily on protozoa and bacteria, smaller worms and tiny organisms, dead or alive, that they come across. Based on the species of the flatworms , they also consume plant materials. They rely on diffusion to transport oxygen and nutrients to their internal tissues.
I believe the answer is energy. Hope this helps. (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧
