A jellyfish is a heterotroph, it gets energy from eating, autotrophs produce their own energy
The correct answer is: d. it contains many light-sensing columns called ommatidia
Ommatidia are units that form compound eyes of arthropods such as insects, crustaceans and millipedes (these are invertebrates) and make them very sensitive to motion. Ommatidia are composed of photoreceptor cells (visual detection) surrounded by support cells and pigment cells.
The eyes of vertebrates are more complex showing that progressive improvements in the structure of the eye occurred during the evolution.
The sentence that states that " When Donnie is unhappy with how an experiment has turned out, he chooses not to share his findings with the public or his colleagues"
"he continues performing an experiment until he reaches the conclusion that he wants and expects. "
The complementary stand is AACTGATCCGAT
