The new better species can eat all of their food, take up all of their space, and be more physically dominant so that they are not challenged by the disappearing species. the newer species would have to reproduce really fast and be in its ideal habitat in order to do so and dominant the area or at least the food source for both the species
Answer:
Once a vital plant that many humans or animals need go extinct, many of them will die due to starvation and or shelters they build might not be able to be built due to the extinct plant being gone. As an example, If trees went extinct, humans wouldn't be able to live. One, because trees help filter the air for us humans to breath, wood is a very vital supply too. Wood is used for paper, homes, and even appliances.
Explanation:
