The endosymbiotic theory is described that the the primitive eukaryotic cell has ingested a prokaryote to become the mitochondria and the chloroplast. The mitochondria is actually a primitive prokaryote capable of performing cellular respiration. According to this theory, the mitochondria (coming from a primitive prokaryote) must have two membranes, an inner membrane and an outer membrane.
<em>Chloroplasts also have two cell membranes. </em>
Answer:
oil
fire gold and water are all naturally from earth, oil is not.
Humpbacks are mainly black or grey with white undersides to their flukes, flippers and bellies. They are usually 15m long. Their long flippers are one of their more noticeable characteristics. They are also extremely active from flapping their flippers and flukes on the surface of the sea.
Chaparral <span>is a semiarid biome found in many coastal regions that border deserts. </span>
