The correct answers are:
1. Lizards;
The animals started to develop traits that would protect them from the natural elements after the lizards. Because of the changes in climate, as well as changes in the functioning of the organism and developing from cold blooded to warm blooded, the animals started to develop feathers and hairs (later becoming a full body fur).
2. Jelly fish;
The Jelly fish is an organism that is very primitive. It has remained largely unchanged throughout the geological time and it seems like it hadn't any real reason to evolve further. It is also one of the oldest species that are still in existence, but also a species that is older even than the hagfish.
I believe the highest occupied electron energy sub level for carbon would be the 2p sub level, in the second energy level.
C = 1s^2 2s^2 2p^2.
Answer:
Fraternal twins are from two seperate eggs.
Explanation:
The first part of the question is missing but any difference between fraternal twins can be explained by the fact that two seperate eggs are fertilized during the pregnancy so they have different genomes which leads to having different dominance of different genes and this leads to different expressions of this genes.
I hope this answer helps.