As a biologist, you are researching a population of moles. In the course of your research, you identify a nearby population that
occasionally comes into contact with your study population. What best describes the evolutionary process at work?
A. natural selection
B.gene flow
C. mutation
D. genetic drift
E. artificial selection
A. natural selection
B.gene flow
C. mutation
D. genetic drift
E. artificial selection
1 answer:
Answer:
The evolutionary process at work is best described by option <em>B. gene flow</em>
Explanation:
<em>Gene flow </em>also known as migration is any movement of individuals, and/or the genetic material they carry, from one population to another. If gene versions are carried to a population where those gene versions previously did not exist, gene flow can be a very important source of genetic variation. In this case, the nearby population <em>migrates </em>to the mole population. The diagram is a good description of the <em>Gene flow </em>process.
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Answer: 502 Joules
Explanation:
To calculate the mass of water, we use the equation:
Density of water = 1 g/mL
Volume of water = 40.0 mL
Putting values in above equation, we get:
When metal is dipped in water, the amount of heat released by lead will be equal to the amount of heat absorbed by water.
The equation used to calculate heat released or absorbed follows:
q = heat absorbed by water
= mass of water = 40.0 g
= final temperature of water = 20.0°C
= initial temperature of water = 17.0°C
= specific heat of water= 4.186 J/g°C
Putting values in equation 1, we get:
Hence, the joules of heat were re-leased by the lead is 502