Biology High School

How are allele frequencies changed through gene flow? Individuals have more or less offspring Random chance Mutations change the gene pool Individuals move in and out of a population Random mating occurs Question 47 Which of the following would be a behavioral adaptation that may result from a change in an organism's genetic traits over a period of time? Select all that apply. A rabbit has thick fur to keep it warm in the winter A male warbler performs a mating call to find a female A mother wolf has trained her pups to hunt for food A fish has large, strong fins to propel it through water A chameleon changes colors to match surroundings and perfectly camouflage

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Answer 1

How are allele frequencies changed through gene flow? Allele frequencies are changed by gene flow. Gene flow refers to the movement of genes from one population to another. Gene flow can also be referred to as migration. Gene flow is one of the five mechanisms that influence evolution.

It has an impact on the allele frequency of populations, and it can alter the allele frequencies of populations that are geographically separated. Behavioural adaptations that may result from a change in an organism's genetic traits over time are given below: A male warbler performs a mating call to find a female. A chameleon changes colors to match surroundings and perfectly camouflage.

Estrogen, along with FSH and LH, causes a girl's body to mature and prepares her for pregnancy. So that's what's really happening during puberty — it's all these new chemicals moving around inside your body, turning you from a teen into an adult with adult levels of hormones.

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Explain osmosis in plant and animal cells

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Answer:

Osmosis is the diffusion of water across membranes from low to high solute concentrations, an essential cellular activity.It allows cell to use water to maintain cellular itegrity or to adapt to changes in the solute composition in the extracellular environment.

Answer:

Osmosis is the process of moving water across a semi-permeable membrane from a location of higher water concentration to a region of lower water concentration. Given that it doesn't need energy, it is a form of passive transport.Osmosis in plant cells is essential for sustaining turgor pressure, which keeps the plant stiff. Only water molecules may flow through the cell wall, and as water diffuses inside the cell, a pressure known as turgor pressure is created on the cell wall.Osmosis assists in keeping the fluid equilibrium between the interior and exterior of animal cells. To keep the proper balance of fluids, the cell membrane functions as a semi-permeable membrane and controls the flow of water into or out of the cell. Water will move into a cell if there is more water outside than within, causing it to inflate, whereas water will move out of a cell if there is more water inside, causing it to shrink.

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HELO ME PLEASE IM BEING TIMED

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I believe it’s D but it’s definitely either B or D

Increased levels of carbon dioxide in the atmosphere have been implicated in which of the following?

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Answer:

Both increased global warming and increased seawater acidity.

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