Answer: It depends on if your only talking about plants if so the answer is coal.
Explanation: The reason being because coal only forms from the compaction of dead plants whereas petroleum forms from compacted plants and animals.
There are four phyla or categories of fish, Hagfish, lampreys, cartilaginous and bonyfish.
Answer:
A. A glycerol head with 3 fatty acid tails
Explanation:
One glycerol attached to 3 fatty acids each
The cell membrane consists of three classes of amphipathic lipids: phospholipids, glycolipids, and sterols. The amount of each depends upon the type of cell, but in the majority of cases phospholipids are the most abundant, often contributing for over 50% of all lipids in plasma membranes.
