Suppose a team of astronomers recently discovered a solar system similar to our own, but in an earlier stage of
development. based on how the planets of our solar system formed, which two observations would you expect the
astronomers to make?

the answer is d. embryo

increases the risk of extinction 

explanation:

the answer is that if the species suffers from the disease, there is nothing stronger than the others, so it is possible to remove wholeness. an example of this is hunger in irish potatoes, which has a deadly disease bearish part of all potato harvest masses. pretty much ruins the land of crops.

i believe your answer would be phagocytosis