Briefly describe the process of speciation, and define allopatric speciation
What will be an ideal response?
When mutations occur in one population or subpopulation that are not passed to another population or subpopulation, or if natural selection favors different genes in different populations, speciation can occur if gene flow becomes restricted permanently between the two populations (i.e., they can no longer mate and produce fertile offspring). If a physical boundary such as a stream divides the two populations, restricting gene flow between them, and a speciation event occurs, this is termed allopatric speciation.
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In the coastlines investigation, what coastline feature consists of the ridge of sand and the adjacent island along the south coast?
A) Sea cliffs
B) Marine terrace
C) Delta
D) Spit and sand bar
E) Submerged coastline
F) Sandy beach
Different versions of SQL are used in ArcGIS.
Answer the following statement true (T) or false (F)
________ metamorphism is the term used for the process in which rocks are altered by hot water.
A. Tectonic B. Burial C. Shock D. Hydrothermal E. Aqueous
Which stage of a thunderstorm is associated with the coexistence of updrafts and downdrafts?
A) Cumulus stage B) Mature stage C) Dissipating stage D) Dilating stage E) Contracting stage