Answer:
Explanation:
Not only is the biota important, but the abiotic factors in the ocean are also important because both groups work together. The abiotic factors in the ocean help the ocean to 'work'. For example, phytoplankton (autotrophs) need light, nutrients, CO2 (dissolved gases) to photosynthesize.
The answer should be d, they are in domain eukarya so their cells are eukaryotic.
Vertebrates have back bones or spines that give there body support.
