False, it's caused by the amount of algea.
B. Explosion of an Interstellar sun.
Levels of ecological organizations:
- Species - are group of individuals
- Population - A group of organisms that belong to the same species
- Community - populations of different species
- ecosystem - All the population of living organism
Answer:
D
Explanation: this would make sense because they could not have evolved to become the same. Evolution does not work like that . The animals would not walk or fly they are water creatures and if they did that they would not evolve back down to fish .
