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beks73 [17]
3 years ago
13

What is an effect of genetic drift on a gene pool?

Biology
1 answer:
Ahat [919]3 years ago
4 0

Genetic drift happens by chance and can make an allele disappear completely from a gene pool, even if it was a desirable trait that should have been passed down to offspring. The random sampling style of genetic drift shrinks the gene pool and therefore alters the frequency the alleles are found in the population.

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Plants in hot environments like deserts open their stomata at night because they are adapted to
stepan [7]

Answer:

To reduce water loss.

Explanation:

Keeping the stomata closed during the day, helps reduce water loss when dry, hot wind blows across it.

3 0
2 years ago
Why is allowing complete chest recoil important while performing high quality cpr?
frosja888 [35]

Chest recoil is the re-expansion of the chest. Complete recoil is necessary so that the blood can re-fill the heart’s chambers between compression. Therefore, it is indispensable because, as the chest is elevated, the negative pressure that is applied actually causes the blood to be drawn back into the heart and save the life of someone whose heart stopped or who is in a condition called cardiac arrest. An activity using a plunger and pulling back on it in water-clogged sink can be link that will show how important to emphasize complete recoil where it permits the output of blood in performing a high quality Cardio Pulmonary Resuscitation (CPR).




4 0
3 years ago
Match the organism to the infection: Group of answer choices Streptococcus pyogenes [ Choose ] Varicella zoster [ Choose ] Papil
slavikrds [6]

S. pyogenes causes Strep throat, Varicella zoster causes varicella, Papillomavirus causes HPV, E. faecium cause urinary tract infection B. burgdorferi causes Lyme disease and B. pertussis causes Pertussis.

<h3>What is Bordetella pertussis?</h3>

Bordetella pertussis is a  bacteria from the genus Bordetella that causes a respiratory disease known as Pertussis.

Moreover, Bordetella burgdorferi is another bacteria from genus Bordetella that causes Lyme disease, an illness whose symptoms include fever and fatigue.

In conclusion, Streptococcus pyogenes causes Strep throat, Varicella zoster causes varicella, Papillomavirus causes HPV, Enterococcus faecium cause urinary tract infection Borrelia burgdorferi causes Lyme disease and Bordetella pertussis causes Pertussis.

Learn more about Lyme disease here:

brainly.com/question/12185102

#SPJ1

3 0
2 years ago
Is 8 1/5 greater than 2 1/10
AlladinOne [14]

Answer:

8 1/5 > 2 1/10 = True

Explanation:

3 0
3 years ago
Read 2 more answers
Explique de que forma a obstrução dos vasos da planta hospedeira pelos biofilmes de bactérias pode levar à morte progressiva das
musickatia [10]

Answer:

Os biofilmes são uma comunidade complexa de microrganismos, que pode ser composta por uma única espécie ou uma combinação de espécies. Os biofilmes são geralmente formados nas superfícies de materiais não vivos ou nos tecidos de organismos vivos; que pode estar externamente nos tecidos vivos dos organismos ou dentro dos tecidos vivos do organismo. Quando os microrganismos formam um biofilme, aumentam suas chances de resistir a anticorpos produzidos pelo organismo e aumentam suas chances de colonização completa do organismo. Algumas doenças são caracterizadas pela presença de biofilmes, que são, na maioria dos casos, a causa da doença.

<em>No caso de obstrução de vasos de plantas hospedeiras por biofilmes bacterianos; os biofilmes se formam na superfície do vaso e aumentam gradualmente de tamanho até que haja uma obstrução completa do vaso da planta. Quando o vaso da planta é eventualmente obstruído, o fluxo de materiais e minerais necessários é obstruído; levando à obstrução das células da raiz de receber materiais vitais e minerais necessários para o crescimento, isso eventualmente leva à morte progressiva das células da raiz.</em>

5 0
4 years ago
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