Answer:
Genetic drift
Explanation:
Genetic drifts is a change in the frequencies of alleles due to chance or at random. Therefore there is no environmental or survival influences.
There are two types. The founders effect caused when a small group migrates from a larger group and forms a new population causing a change in the genetic pool.
Bottleneck effect is caused by the sudden reduction of population due to environmental or human activities.
The observed genetic changes in the question were due to genetic drift.
Answer:
B
Explanation:
Because it have second division
Spica casts or body casts are used to treat children who have hip, pelvis, or leg problems, such as developmental dysplasia of the hips. When elevating the head of an infant in a spica cast the nurse should use pillows to elevate the head and shoulders of the infant. Spica cast is not a surgical procedure but normally used after a surgical procedure for hip dysplasia.
Answer:
Correct
Explanation:
When combining more than two circles in a Venn diagram you have to actually mix in the colors where the intersections are so that you will be able to tell their differences.