Answer:
The correct answer is - speciation is sympatric.
Explanation:
Sympatric speciation is a process of speciation that takes place when there is reproductive isolation between two populations of a species without any geographical separation.
This speciation takes place in the population with come ancestors as given in the question both pods of dolphins lose their ability to interbreed due to the sympatric speciation without any geographical separation.
Thus, the correct answer is - speciation is sympatric.
Answer - <span>The oral cavity, salivary glands, pharynx, esophagus, and stomach.
Reasoning - These Structures are what builds and performs as a system.</span>
The correct answer is: transcription factors.
Gene expression is controlled (regulated) on different levels (DNA structure, transcription, RNA processing, post-translational modification. Gene expression is regulated in order to increase or decrease the production of specific gene products.
Transcription factors can enhance the interaction between RNA polymerase and a DNA sequence- promoter, encouraging the expression of the gene. Such transcription factors are called activators. Otherwise, when the gene expression is inhibited, factors are called repressors and they bind to sequence –operator.
Answer:At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells.
Explanation: