Answer:
D. Descent with modification
Explanation:
Answer:
d. the groups will probably diverge genetically, and speciation may occur
Explanation:
The geographical isolation of two populations of a species for a longer time period leads to allopatric speciation. During the process, the isolated populations accumulate genetic variations to become adapted to the prevailing conditions of the habitat.
Accumulation of genetic variations leads to reproductive isolation between the population. After several generations, the individuals of the two isolated populations are unable to interbreed due to genetic variations. Now, these two populations are said to belong to two different species. The isolated lizard populations would also accumulate genetic variations resulting in allopatric speciation.
A site where pathogens can survive , multiply and serve as a continual source of infection is called the reservoir. It is site where the infectious agent survives.
Reservoir is a host which allows the pathogen to live, and possibly grow and multiply. Humans , animals and environment can be reservior for microorganisms. Principal habitat that which pathogen lives , flourishes and able to multiply.
There are some examples such as humans are the reservior for the measles virus because it does not infect the other organisms. The place where microorganism, resides, thrives and reproduces. A carrier is a person with in-apparent infection who are capable of transmitting the pathogen to others.
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Cellular transport refers to the flow of substances into or out of the cell across the cell membrane.
When the student places a cell that is 95% water inside of a solution that is 100% water, the cell will achieve net movement and if water continues to enter, it swells up and burst.
- When a cell is placed in a hypotonic solution, water flows into the cells and the cell gains volume until it achieves equilibrium.
- But if water continues to flow in afterwards, it swells up and burst.
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Answer:
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