BIOLOGY HIGH SCHOOL

Guppies are small, tropical freshwater fish that display wide variation in coloration. Some have bright splotches of blue, red, and orange, while others are quite drab and dull. Research has shown that females prefer to mate with brightly colored males; however, this trait makes them more likely to be seen. Guppies, like all species, must be able to both survive and reproduce in order to avoid extinction What is one factor that can affect what color trait is selected for a particular environment?

Answers

Answer 1
Answer:

Gene recombination is the most likely factor which can affect what color trait is selected for a particular environment. Genetic recombination is generally observed in sexual reproduction.

What is Gene recombination?

Gene recombination is a process of producing new combinations of the genetic material which occurs through alleles by the recombination of the DNA molecules in the nucleus. In this process, there is an exchange of genetic material that is DNA (deoxyribonucleic acid) between two different chromosomes or between different regions of the same chromosome in an organism.

Genetic recombination is important as it provides a constant DNA homogenization within a species and, therefore, species integrity as an elementary structure which is responsible for the preservation and rise in the level of ecological stability of the organisms in evolving lineages and increase in the survival rate of the organism.

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Answer 2
Answer: After reading the small text about the Guppies and the importance for them to survive and reproduce in order to avoid extinction gave a pretty general idea of the factors that can affect what color trait is selected for a particular environment. These will be listed below:

Answer: Mutation, Sexual reproduction, meiosis/crossing-over, recombination of genes, natural selection, sexual selection.

I hope this helps, Regards.

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Use the word "passive transport" in a sentence.

Answers

 " What does passive transport mean " Good  sentence or no

Final answer:

Passive transport refers to the movement of molecules across cell membranes without requiring energy, aiding in maintaining balance within the cell. An example sentence is 'Oxygen molecules move from a region of high concentration to a region of low concentration via passive transport.'

Explanation:

Passive transport is a biological concept pertaining to the movement of molecules across cell membranes. Here is a sentence using the term: 'Oxygen molecules move from a region of high concentration to a region of low concentration via passive transport.' This means that oxygen molecules, without requiring energy, naturally move towards areas with fewer oxygen molecules. It is the cell's way of maintaining balance or homeostasis, a crucial aspect of cellular function.

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Which fat is most likely a solid at room temperature?

Answers

The type of fat which is most likely a solid at room temperature would be saturated fat. If you think of olive oil and canola oil, both of them are liiquid at room temperature. If you're thinking of lard, it's hard at room temperature. 

Final answer:

Saturated fats, which lack double carbon bonds in their fatty acid chains, are most likely to be solid at room temperature. These fats are found in animal products like meat and butter.

Explanation:

The type of fat that is most likely to be solid at room temperature is saturated fat. Saturated fats, such as those found in meat and butter, consist of fatty acid chains that lack double carbon bonds and are therefore able to pack tightly together due to their straight and rigid structure. As a result, they remain solid at room temperature. Examples include animal fats containing stearic acid and palmitic acid. In contrast, unsaturated fats, which contain at least one double bond in their fatty acid chains, cannot pack tightly together and are usually liquid at room temperature.

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Which is the best response by the skin to a bleeding paper cut?minimize the flow of blood to the site
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initiate cell division
protect against UV light

Answers

The best response by the skin is to minimize the blood flow to the site. According to Dr.Anthony J. Mancini, a professor at Northwestern University Feinberg School of Medicine, in the blood there are proteins that creates clot and make a covering to protect the cut from foreign materials. Examples of these proteins are platelets and fibrin. This step happens within seconds immediately after you got a cut.

the answer is actually to initiate cell division i just took the test and missed it because i clicked minimize the flow of blood to site hope this helps :)

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Answers

Magnification is how large a microscopic image is compared to real life.  An electron microscope is more advantageous over a light microscope for use with very small objects because electron microscope provide higher resolution and magnification.  A light microscope such as dissecting and compound light microscopes are use for low magnification.  examples of electron microscope are Transmission Electron Microscope (TEM) and Scanning Electron Microscope (SEM). A SEM however offer 2 million as a maximum level of magnification whereas TEM offers up to 50 million.  therefore TEM gives the highest amount of magnification.
the answer is Electron microscope The scanning electron microscope(SEM) have the highest magnification. Its magnification varies from about 10 to 500,000 times

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Answers

Answer:

C. Clavicle

Explanation:

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Answers

Charles Darwin always had a taste for natural history as a kid, as far back as eight, in spite of how he performed in school. When he was a young adult, he got an apprentice ship as a doctor from his father who was also a doctor. This gave him experience with the anatomy of the human body. When being a doctor started to bore him, he learned taxidermy, exposing him to the anatomy of wild animals. Later he joined the Plinian Society which was a student natural history group that often debated and questioned the current topics and views of the subject in that time. Not too mention the many natural historians and evolutionists who also inspired him, one of which was his own grandfather,that gave him the support he needed. I guess that even though his normal school curriculum did not interest him, his self determination was enough to keep him grounded to his interests, proving that sometimes a great education doesn't always make you a genius. (idk :) Charles Darwin was smart in his own ways.
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