C
The decrease in native birds will be due to the increased competition for food. They may adapt to different foods; however, the initial and most prominent effect will be that of the native birds' population declines.
Answer:
Disruptive selection
Explanation:
Disruptive selection -also called diversifying selection- is a type of natural selection where individuals with the smallest and largest values of the trait are favored while those with intermediate values are at a fitness disadvantage. This selelction goes against the average individual in a population.
Answer:
C. A gene is a segment of a DNA strand
Explanation:
Just took test
Cystic fibrosis is a condition which mainly affects the lungs and pancreas but can affect other parts of the body, including the liver, nose and sinuses and sweat glands. Normally, cells in these parts of the body make mucus and other watery juices and secretions
Explanation: Early signs of CF include: Salty sweat; many parents notice a salty taste when kissing their child. Poor growth and weight gain (failure to thrive) Constant coughing and wheezing.
Because the lung has two bronchi, it can still function if one bronchus is blocked by a foreign object. No gas exchange will happen to the affected side, and the other lung will compensate for the loss of air. The blocked portion though can become inflamed and can lead to infection and damage.
