D. it does not become more difficult for the cell to get enough oxygen and nutrients.
<span>The correct answer is C. lack of competition. It was exactly the opposite, the competition caused them to adapt and change their beak shape and size in order to be more proficient in getting food. This is what he described in his theory on how finches speciated and became genetically different from other finches similar to them.</span>
Invasive species can either replace an organism from the ecosystem food web or replace it.
Explanation:
- Invasive species are non-native species which can be animals, plants, micro-organisms, fish, etc. they are very much threatening to the native species and ecosystem food web.
- Invasive species are spread by humans mostly, it happens unintentionally when people travel and all. Even climate change could be a reason for its spread.
- So, it becomes threatening to native species because when you introduce it into a new ecosystem, it does not have a predator or control. It grows aggressively and takes over the resources for the native species.
Answer:Antibiotics are powerful medicines that fight bacterial infections. They either kill bacteria or stop them from reproducing, allowing the body's natural defenses to eliminate the pathogens. Used properly, antibiotics can save lives. But growing antibiotic resistance is curbing the effectiveness of these drugs.
Explanation: