The answer is B). Genetic screening basically testing for the genetic traits of an individual. Therefore the answer would be B).
Answer:
First, second, and last are correct statements.
For accuracy and reliability of any experiment, a number of observations must be as large as possible. It reduces the effect of any observation or any event which might have happened by chance or error.
Thus, finches were better to record observations as they were available in large number as compared to the tortoise.
In addition, the life cycle of birds is smaller as compared to the tortoise which enabled the scientists to observe more generations.
Lastly, the birds were easy to capture and track as compared to the tortoise. Tortoise being an amphibian could live on land as well as in water which made it difficult to track them.
Answer:
The correct answer is
C. Constant high pressure
Explanation:
Constant high pressure is not a factor that causes weathering on the earth surface.
Temperature, air and water affects how a rock changes through time. They have the capacity to cause physical disintegration and chemical decomposition of rocks.
Hope this helps!
- Quinn <3
The chromosomes become visible when they hit the mitosis stage in the cell cycle.