<u>Necessary for natural selection:</u>
It is the process in the evolution. It explains the nature and it is responsible for the evolution of adoption in the organisms to their environment. The four types of the natural selection are reproduction, heredity, variation in fitness and the variation in the individual characters among the member in the population.
It is the important factor to analysis the environment and reproduction of the organisms. The offspring are resemble same as their parent in the natural selection.
Answer:
The answer is still no;
Explanation:
as they live in water they probably don't take it in as a conscious response to seek out and drink water. Thirst is usually defined as a need or desire to drink water. It is unlikely that fish are responding to such a driving force.
Answer:
1. B. Methane
2. C. Methane collection system
See if any of the organisms lived before the others by measuring the age
of their fossils using some means, like radioactive dating.