Answer:
Natural selection is a process that leads to evolution. For example variation can lead to this. Say back then one giraffe had a long neck this variation had a chance of being passed down to their children. If it keeps getting passed down by natural selection because its helping the giraffe survive then more and more giraffes will have long necks. Over time if the trait is super beneficial it could lead to the evolution of all giraffes having a long neck.
Explanation:
I used the terms that go with natural selection. If its not correct im sorry i tried lol.
Open and close to control evaporation
Any occurence of extra chromosones is due to genetic mutation/disorders.
The liver, heart, kidneys, gallbladder, eyes, bones, and joints can suffer
Answer: <em>A. Inhabit the Stomach</em>
Explanation:
Helicobacter pylori is a bacteria that inhabits the stomach. In the human being it is responsible for Chronic Gastritis and Gastric or Duodenal Ulcers, if the infection is not treated it can also cause Gastric Cancer. Up to 80% of the infections are asymptomatic.