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slamgirl [31]
3 years ago
9

How does natural selection affect population over time?

Biology
1 answer:
Advocard [28]3 years ago
5 0
Individuals that develop beneficial traits have a better chance of survival and individuals with less useful traits are weeded out through the process of natural selection. <span>The greater the variety of traits that exist in a </span>population<span>, the greater the </span>population's<span> chance of survival.</span>
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When California recently (June 2015) passed a law banning the personal belief exemption of routine childhood vaccines Jim Carrey
NemiM [27]

Answer:

Yes, there is no convincing scientific evidence that thimerosal causes harm by the low doses of thimerosal in vaccines, except for minor reactions like redness and swelling at the injection site

Explanation:

Thimerosal has been used safely as a vaccine additive, added to some vaccines to prevent germs like bacteria and fungi from growing in them dated since early 1930s. Though, Thimerosal contains mercury but the type of mercury doesn’t stays in the body, and is unlikely to make human fall sick.

Most people doesn't have any allergic reaction to it except for redness and swelling at the injection site as early mentioned and this is considered irrelevant when compared to effect of vaccine when contaminated by germ which could cause serious illness or death.

4 0
2 years ago
Myocardial infarction secondary to atherosclerosis and ischemia. Once oxygen returned to the damaged heart, reperfusion injury o
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Answer: Myocardial infraction can be defined as the condition which is caused due to absence of oxygen in major parts of the heart.

This also causes ischemia which occurs primarily and myocardial infraction occurs secondarily to this.

When, oxygen and nutrients from the blood reaches to the area which was deprived of oxygen results in inflammation and oxidative damage.

This is caused due to induction of oxidative stress rather than the normal functioning of the body.

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3 years ago
A branching diagram uses shared characteristics to classify organisms.On a branching diagram that compares the major kingdoms of
lapo4ka [179]

Animalia is the label that appears to differentiate animals from organisms on other kingdom.

Explanation:

Scientists uses the process called taxonomy to classify the organisms based on their structure, functions and relationship to other organisms.

Eukaryotes represents the domain of life. Domain Eukarya are classified into four kingdoms they are protista, fungi, plantae and animalia.

The kingdom protista represents the organisms that are simple structured and they swim through the water and obtain nutrients from the environment.

In the kingdom fungi like mushrooms absorb nutrients from the environment and they are heterotrophs.

In the plantae kingdom the organisms are plants and they are autotrophs. They prepare their own food.

In Animalia kingdom the organisms are animals and they are multicellular heterotrophs. They do not have cell walls and the reproduction is done sexually and some can reproduce asexual.

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Why do identical twins have the same physical characteristics, whereas regular siblings are not identical?
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What is hematopoiesis?
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