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Maksim231197 [3]
3 years ago
14

Which statement best describes the relationship between an allele and a gene?

Biology
1 answer:
lys-0071 [83]3 years ago
6 0
A.) An allele is a version of a gene that can be expressed as a phenotype.
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The Neanderthal skeleton known as the "old man" showed evidence of many injuries over a long life. Several broken bones had heal
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The answer is C: <span>The Neanderthals cared for the wounded and the elderly. The fact that the skeleton showed signs of broken bones that had healed indicated that the individual had been nurtured back to health after injury. The loss of teeth showed that the individual had lived to an old age.</span>
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3 years ago
Both Charles Darwin and Alfred Russel Wallace acknowledged the influence of the economist Thomas Malthus in the development of t
const2013 [10]
<h2>Natural selection </h2>

Explanation:

Malthus's ideas about geometric population growth implied that: resources in every generation would be limited, therefore individuals in every generation would have to compete for those resources

  • Thomas Malthus argued that the food supply increased linearly while  population size increased exponentially
  • The central theme of Malthus' work was that population growth would always overpower food supply growth, creating perpetual states of hunger, disease, and struggle
  • The natural, ever-present struggle for survival caught the attention of Darwin, and he extended Malthus' principle to the evolutionary scheme
  • Malthus’ writings ultimately inspired Darwin’s  theory of evolution by natural selection

resources in every generation would be limited, therefore individuals in every generation would   have to compete for those resources.

4 0
4 years ago
Jerome is performing an experiment for the science fair. He wants to know how long it takes for water to evaporate at varying te
AleksAgata [21]
The temperature is the independent variable in Jerome's experiment.
5 0
3 years ago
Following an oil spill in the Gulf of Mexico, a population of fish evolves increased intolerance to oil over a period of several
frosja888 [35]

A

This should be considered a case of natural selection because humans were not selecting for particular desirable traits.

Explanation:

The individuals in the population who held even the slightest advantage in the tolerance of the oil spill had higher chances of surviving and passing their genes to the next generation. Fishes with low tolerance perished even before getting to maturity.  Therefore with each generation, traits for oil tolerance in the population increased by natural selection enabling the population to evolve towards  increased intolerance to oil over a period of several generations.

Learn More:

For more on natural selection check out;

brainly.com/question/12495043

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#LearnWithBrainly

8 0
3 years ago
8. Are there differences between the chromosomes of males and females?
photoshop1234 [79]

Answer:

Yes

Explanation:

Males have two x chromosomes (xx) and females have one x and one y chromosome (xy)

3 0
3 years ago
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