C. Molecule use active transport to faclitate movement against the concentration gradient
through the use of energy
Answer: The alga Volvox , or multicellular, as in the phylum Bryozoa. The former type may have been the first step toward multicellular organisms.
Explanation:
Answer:
respiratory system
Explanation:
this happens in the lungs, part of the respiratory system
Because it contains DNA, the nucleus can be considered to be the cell's ... It is like a conveyor belt that helps to move substances through the cell factory. ... These (above) go through the chloroplast.