The third one is the right answer.
Mutations appear randomly and these mutations can either have possitive, negative or neutral impact on the individual's survival. The environment of the individual amongst other factor determine the net effect of the mutation. For example:
A mutation on a shade plant for bigger leaves would have a possitive impact on the plants survival due to the increase of the photosynthetic tissue area. On the other hand the same mutation on a desert plant would have a negative impact on the plant's survival due to the increase of the leaf area which leads to increased water evaporation off the plant.
Explanation:
Your stomach might get upset early on if you have liver disease. As the disease and damage to your liver go on, raised toxin levels can make this worse. Lingering nausea or throwing up often are a sign of liver problems. If your liver is failing, you also may have blood in your vomit or poop. and plus it get really hard to digest the food as it secretes bile juice
Answer:
The two organisms are in a predator-prey relationship.
Explanation
because the hawk is the predator, it ate the mouse, and th mouse was they prey, it was eaten
D,record observations and measurements.
