According to a recent encyclopedia entry about dog breeds, Labrador retrievers come in two specific breeds: English and American. The article cites six studies from several scientific journals about dog breeding showing that males of both breeds usually average 29-41 kg (65-90 lb) in weight, and females usually average 25-32 kg (55-70 lb) in weight. Anna’s female Labrador retriever weighs 38 kg (83 lb). What does Anna’s dog’s weight indicate about the reliability of this source?

Answers

Answer 1

Answer:

Final answer:

Anna's dog's weight falling outside the average range doesn't necessarily indicate the source is unreliable as it could be affected by individual variability. A broader sample would need to be assessed. Fur color, unrelated to weight, is determined by genotypes.

Explanation:

Anna's female Labrador Retriever being 38 kg (or 83 lb) falls outside the average weight reported in the encyclopedia for female Labradors, which is 25-32 kg (or 55-70 lb). However, these weights are averages and there can be exceptions due to factors such as individual genetics, diet and physical activity level. But, if a large number of Labrador Retrievers greatly exceed or fall below these averages, then it could indicate a problem with the reliability of the source. It's also important to cross-verify such information with other reliable sources. Meanwhile, the fur color is not associated with the weight, but based on alleles. For example, the ee_ genotype makes a Labrador yellow and B_E_ genotype turns it black.

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Answers

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Answers

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If each level in a food chain typically loses 90 percent of the energy it takes in, and the producer level uses 1000 kcal of energy ,how much of that energy is left after the third trophic level

Answers

The energy that is left after the third trophic level is 10 kcal.

How much of that energy is left after the third trophic level?

The first trophic level uses 1000 kcal.
The second trophic level used 100 kcal.
So, the third trophic level uses 10 kcal leaving 1 kcal.
The energy is transferred from trophic level to trophic level, and approximately 90% of it is lost each time.
With some of it being lost as heat into the environment (as a result of respiration) and some being lost as partially digested food.

Hence, if each level in a food chain typically loses 90 percent of the energy it takes in, and the producer level uses 1000 kcal of energy, the energy that is left after the third trophic level is 10 kcal.

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There is 10 kcal energy left in the 3rd trophic level.

Which is NOT a property of magnetic field lines?a.
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b.
They can be directly observed.
c.
They never cross.
d.
They spread out as they get farther from the magnet.

Answers

Answer:The correct answer is option (b).

Explanation:

Properties of magnetic lines:

They from closed loop from pole to pole.
They never intersect each other.
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Answers

Answer:

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Explanation:

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It passes directly into the alveoli.

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Answers

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or:

The Blood Clotting Process

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Platelet plug. ...

Fibrin clot.

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