Mutualism since the clown fish and the anemone both benefit from each other.
Fossils could not be found in that layer of rock
The amount of DNA present in the system of an organism that does not necessarily relate to how complex that certain organism is. There are single-celled microorganism with very few amount of DNA but are very complex with respect to arrangement of certain amino acid component of the DNA strands.
Moisture will drop as rain as the air moves up the side of the mountain.
Hope this helps!
Lava flowing because it would put a lot of weight(pressure) and high temperatures
