Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.
Bacteria cells, I believe so.
Answer:
The Lucille’s cells need Oxygen and glucose in order to function her body properly.
Explanation:
Our body breakdown the glucose using oxygen in order to produce energy.
By respiratory system we inhale oxygen and
By digestive system we digest food into glucose.
Our circulatory system transfer the Glucose and Oxygen to the all cells of our body,
Hence we can conclude that the Lucille’s cells need Oxygen and glucose in order to function her body properly.
Answer: Any of a number of organized or specialized structures within a living cell.
Explanation: Hope this helps
20. Cell Membrane 19. Mitochondria 18.<span> Osmosis</span>
