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AleksandrR [38]
2 years ago
10

Lemmings are small mammals that reproduce quickly. A lemming population often grows so quickly that there is not enough food for

all of the lemmings to eat. This results in a decline of the lemming population.
This example best supports the ideas of which scientist?

Malthus

Darwin

Lamarck

Linnaeus
Biology
2 answers:
zaharov [31]2 years ago
5 0

Malthus is the correct answer

I took the test

rewona [7]2 years ago
4 0

Answer: Malthus

Explanation:  

Thomas Malthus was the scholar of political economy and demography. He proposed a principle of population. He made observations on the human race. He proposed the fact that human population would likely to be overproduced if the size of the population will not kept under control. The human population will increase exponentially when the food supply and other resources are abundantly available. When the population increases the demand for resources will also increase. The next generation individuals may face competition among themselves for the same resources. This may cause situations of poverty and feminine, these will contribute to the decline of the population and will exert a negative control over the size of the population.

The exponential increase in the population of the lemmings will soon decline due to limitation of food. This decline in the lemming population is the example of Malthus Principle of Population.

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When evacuating victims and personnel currently facing danger to their lives, an establishment should have a safe evacuation routes. The evacuation route should be placed in the Exclusion Zone which means that it is a large site with obstructions and not safe until the safety area is reached. Another would be developing the Contamination Reduction Zone which is designed for individuals that are facing chemical dangers. Decontamination while inside the building is inadvised but would be applied in the arrival to the said zone. An access to potential routes should be available. Obstructions like locks, blocked doors are inadvisable. Routes should be free from items that are not needed within the area. Also, multiple routes that are separated from each other is recommended for evacuating numerous amount of people at the same time or when fire blocks one, there would be another choice available.
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In horses, the Overo gene, Ov, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has o
Anuta_ua [19.1K]

The question is incomplete. Here is the complete question.

In horses, the Overo gene, <em>Ov</em>, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has one Ov copy, <em>Ovov</em>. Horses with two <em>Ov</em> copies, <em>OvOv</em>, die soon after birth are called white overo because they are completely white. Horses with no <em>Ov </em>copies are solid colored, <em>ovov</em>.

The Leopard complex gene, <em>Lp</em>, shows incomplete dominance and controls white spotting. One <em>Lp </em>allele, <em>Lplp</em>, produces the leopard phenotype, in which there are spots everywhere. Two <em>Lp</em> alleles, <em>LpLp</em>, produce the fewspot phenotype, in which the horse is mostly white with colored spots.

A horse that is both overo and leopard is called pintaloosa, and these horses are spotted with splotches. A horse that is overo and fewspot is considered fewspot because the white areas from <em>Lp</em> is indistinguishable from the white from <em>Ov</em>.

Suppose that 16 pairs of pintaloosa horses have one offpring per pair. How many each phenotype would be expected? Determine the number out of 16 expected for each phenotype. Only count phenotypes of offspring expected to live past one week of age.

overo:

white overo:

fewspot:

Answer: Overo: 2

              White overo: 0

              Fewspot: 3

Explanation: Pintaloosa is a "combination" of overo and leopard, so the pair's genotype is OvovLplp.

To cross a pair, use Punnet Square and to facilitate, use the square for each characteristics:

Punnett Square For overo and white overo:

          Ov             ov

Ov    OvOv        Ovov

ov    Ovov          ovov

Analysing this Punnett square, notice that there are 2 individuals who will carry the genotype for overo (Ovov) phenotype. So, 2 out of the 16 pair will have an overo phenotype.

Since white overo is recessive (ovov) and doesn't survive past birth, there will be zero horses with that phenotype.

Punnett Square For leopard and fewspot:

          Lp         lp

Lp    LpLp      Lplp

lp     Lplp       lplp

From this square, notice that there are 1 individual who is fewspot. However, a horse that is overo <u>and</u> fewspot is considered fewspot, so for the 16 pair, 3 out 16 will be fewspot.

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Hi,

Answer: The Liver

<u>My work:</u> Carbohydrates are usually located and converted in the Liver.

<u><em>Extra Information:</em></u> The body uses Carbohydrates as glucose. From there glucose can be converted to glycogen.

<u><em>Words you might not know:</em></u>

1) Converted - To change.

2) Glucose - Energy source.

3) Glycogen - Stores Carbohydrates

I Hope I Helped!

<em>~KingJupiter</em>



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