Answer:
Correct answer is (a). Local extinction
Explanation:
Local extinction is a type of relationship which result to competition between organism. A condition that makes organisms to battles for survival which may results to termination of kind of organism or group of kind of organism.
In an ecological niche, some organisms takes advantage of others, they tend to thrive and exploit others to survive while the one that can not compete go into extinction when the environment is no longer conducive due climatical change or pressure from the other organisms.
Answer: (D)
Explanation: biotic factors depend among abiotic factors, meaning that living things need non-living things in order to survive. That also means that biotic factors everywhere including the surrounding area need to be thought of in this sense so that they are able to survive in the environment they are in.
The water cycle/h2o cycle
Answer:
Edwin Hubble discovered that the universe was expanding. he used his known 100 inch telescope to discover that our milky way was one of many galaxies. that these galaxies are part of an ever expanding universe. This discovery changed the way we and scientists look at the universe