Oceanography, geology, meteorology, astronomy, and environmental science
Lipids help allow the body to survive because they store energy, the insulate and protect, they help with digestion and absorption, they help with the cell wall structure and lastly, they help hormone production along.
POLLEN GRAIN, SEED COAT, MEGASPORANGIUM AND EMBRYO. <--- ANSWER
Gymnosperms are seed bearing plants, which do not have the combination of specialized features that characterized the flowering plants.
<span>Your answer is Precambrian.</span>
