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Oksanka [162]
3 years ago
11

1) What evidence is there that the human species has been successful so far? Explain.

Biology
1 answer:
tester [92]3 years ago
4 0

1) What evidence is there that the human species has been successful so far? Explain. 


Successful evolutionarily means "surviving and spreading geographically". Since we are far from extinction and we've spread all over the world, we are successful as a species. 

<span>2) What environmental pressures in the past do you think were most important in shaping the human species as it exists today? 

Those were: the weather (too cold, especially in the north and too hot in Sahara) - those made people more able to accomodate to the weather and predators - this made the species more communicative as only working together can we fight off bigger predators. 

3) What environmental pressures exist now that you think may be shaping the human species? 

</span>The pressures today are : the limited free land, limited resources and changing climate. They are connected to man-made global warming and overpopulation
<span>

4) What environmental pressures do you think may affect humans as Earth becomes more populated with humans in the future? Explain how these pressures may affect human traits.

The pressure in the past will be: raising temperature and flooding, more Co2 in the atmosphere. 

We might for example evolve to better extract the oxygen from the atmosphere and be better resistant to heat. 
</span>




Answer: I believe that the environmental pressures that exist now and that may be shaping the human species are the use of land, the extraction of resources, greenhouse emissions and water use. This are being used by use more and more as we start overpopulating the earth.

<span />
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OverLord2011 [107]

Answer:

A

Explanation:

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3 years ago
Which disappears more rapidly from a population, a deleterious dominant allele or a deleterious recessive allele?
Allisa [31]

Answer:

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Selection occurs in response to a specific environmental factor. It is a central topic of population and evolutionary biology. The consequence of natural selection on the genetic structure and evolution of organisms is complicated. Natural selection can decrease the genetic variation in populations of organisms by selecting for or against a specific gene or gene combination (leading to directional selection). It can increase the genetic variation in populations by selecting for or against several genes or gene combinations (leading to disruptive selection or balancing selection). Natural selection might lead to speciation through the accumulation of adaptive genetic differences among reproductively isolated populations. Selection can also prevent speciation by homogenizing the population genetic structure across all locations.

Selection in plant pathology is mainly considered in the framework of gene-for-gene coevolution. Plant pathologists often think in terms of Van der Plank and his concept of "stabilizing selection" that would operate against pathogen strains with unnecessary virulence. As we will see shortly, Van der Plank used the wrong term, as he was actually referring to directional selection against unneeded virulence alleles.

4 0
2 years ago
Based on this map, which of the following countries do you think contributes most to global climate change? -apex
astra-53 [7]

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7 0
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Phagocytosis occurs in many cells. The protist called an amoeba relies on phagocytosis for nourishment. Take a look at the image
mr_godi [17]

Answer:

I believe D would be the answer

Explanation:

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