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oksian1 [2.3K]
3 years ago
12

Are humans affected by natural selection?

Biology
1 answer:
Scorpion4ik [409]3 years ago
5 0
Yes! A recent example could be babies that do not survive child birth for a certain reason, are obviously unable to pass on whatever caused them to die in the first place.
Also, once humans started to domesticate cows and drink their milk (I'm not sure why humans drink a cow's milk) their bodies evolved to continue making the enzyme to digest milk even after they were weaned off their mothers milk. Many people of Asian descend do not have this enzyme, since their culture did/does not raise as much dairy product. 
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What type of organism did Fleming find could inhibit the growth of Staphylococcus aureus?
galina1969 [7]

Answer:

Fungus

Explanation:

Flemming found that the growth of bacteria Staphylococcus aureus is inhibited by fungus Penicillium notatum . Then he isolated antibiotic penicillin from that .

4 0
3 years ago
The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells
UkoKoshka [18]

The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called keratinocytes.

<h3>What is keratinocytes?</h3>
  • Skin cells, also known as epidermal keratinocytes, are highly specialized epithelial cells created for a very specific purpose: separating the organism from its environment.
  • Keratinocytes, which make up the majority of the epidermis, have a variety of functions that are crucial for skin restoration.
  • They carry out the re-epithelialization process, in which keratinocytes move, multiply, and differentiate in order to reestablish the epidermal barrier.
  • The majority of the epidermis's cells, known as keratinocytes, begin in the basal layer, manufacture keratin, and help to create the epidermal water barrier by producing and secreting lipids.
  • A kind of stratified epithelium known as keratinized stratified squamous epithelium has many layers of squamous cells, or keratinocytes, with the superficial layer of cells being keratinized.
  • The skin's epidermis is made up of this kind of epithelium.

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5 0
2 years ago
Regarding human traits, which individual would most likely agree with aristotle?
fiasKO [112]

Regarding human traits,  Locke would most likely agree with Aristotle.

There are more areas where Aristotle and Locke's philosophical views diverge than where they concur. For instance, Aristotle once claimed that a person's happiness was just as important to them as it was to their political community. The political understanding of Locke, however, is different because, in his view, a government only assumes responsibility for a portion of the human rights that it is meant to protect in accordance with what people deem to be right. Individuals are therefore given priority because they have rights that are inalienable and shouldn't be manipulated by people to fit their agenda. These and other traditional philosophies have been used to analyze and comprehend early philosophy.

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8 0
2 years ago
Research indicates that as levels of happiness increase, cortisol levels appear to increase as well. Please select the best answ
iogann1982 [59]

Cortisol hormones are stress hormones that increase blood glucose levels. When the level of happiness increases the level of cortisol does not increase.

<h3>What are cortisol and its function?</h3>

Cortisol is the steroidal hormone that is produced in the cortex of the adrenal glands and is discharged in the blood vessels when in stress or danger.

It has a variety of functions including regulation of the blood pressure, response to the stressful condition and increase of the metabolism of the body.

It also acts as happiness hormones along with adrenaline and oxytocin but is a major flight or fight hormone and increases the heart rate in dangerous conditions.

Therefore, the statement is false.

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3 0
2 years ago
Which factors that affect the Florida peninsula can result from human activity?
andrew11 [14]
There are 20 million residents in Florida. The human activity including the enormous number of visitors if affecting the Florida Peninsula. The mining of phosphate and erosion of the coast are the result of human activity that has affected the biome of the Florida Peninsula, along with sinkholes, swamps, and citrus farming. 
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3 years ago
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