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julia-pushkina [17]
3 years ago
14

A malaria outbreak causing a Lily's frequencies to change is an example of

Biology
1 answer:
Dima020 [189]3 years ago
6 0

Answer:

A malaria outbreak causing allele frequencies to change is an example of <u><em>natural selection.</em></u>

Explanation:

Natural selection is a type of selection in which those organisms are favoured to live and reproduce which are better adapted to live in an environment. Due to natural selection, the allele frequencies of a population will tend to change with the passage of time.

When the outbreak of malaria occurs, those organisms which do not catch malaria are able to survive and pass on their characteristics to their offsprings. the other organisms die and do not reproduce. This will cause changes in the allele frequencies.

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Under which circumstances should we try to control the population numbers of Pfiesteria?
zvonat [6]

Answer:

Pfiesteria species generally found in estuaries, the population of which are needed to be controlled only when they becomes toxic. Presence of large of fish triggers toxicity in Pfiesteria.

Explanation:

Pfiesteria are known to be associated with fish kills as for example large fish kill in the seas of North Carolina. It also causes blooming of algae in enormous numbers thus make the water bodies, hostile for survival of fishes and other marine lives. It affects human too by release of toxins in air and water often resulting in respiratory problems, infections of gastrointestinal system, headaches and fatigue. In this type of grave circumstances, leading to outburst of population of Pfiesteria, there is an urgent need to control.

8 0
3 years ago
How many atp are generated in the electron transport chain?how many atp are generated in the electron transport chain?v
siniylev [52]
<span>Glycolysis
4 made - 2 used= 2 ATP substrate level
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1 NADH x two pyruvate= 2 NADH x 3= 6 ATP

Krebs Cycle
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8 0
2 years ago
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The mere exposure effect can be explained in part by
natka813 [3]
Classical conditioning.
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3 years ago
Sickle cell anemia is produced by a genetic defect in the amino acid sequence of hemoglobin. Persons who are homozygous for this
JulijaS [17]

Answer:

The probability is 1/2

Explanation:

Heterozygous for sickle cell allele is AS

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8 0
2 years ago
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Not sure if I'm correct but my best guess is the cell membrane seeing as it surrounds the cell itself and is responsible for allowing certain molecules to diffuse in or out of the cell. Good Luck! :)

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2 years ago
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