With which archaic human species did some of the ancestors of modern europeans interbreed during the past 100,000 years

1 answer:

8 0

Around 100,000 years ago there was another species of the Homo genus living throughout Europe, he Homo neanderthalensis, or commonly called the Neanderthals. This extinct species was the closest relative to modern humans. Genetic studies of neanderthal DNA have shown that in modern humans that live outside of Africa there are3 to 4 percent of genes that have a neanderthal origin which implies that there were multiple interbreeding events in the history of these two species.

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Some students want to test different soils to find out which ones absorb heat the fastest. For the first test, they put 500 gram

tankabanditka [31]

Answer:

Weight of the soil (500g)

Explanation:

According to this question, some students are conducting an experiment in order to find out which of the different soils used absorb heat the fastest. For the first test, they put 500 grams of SAND in a beaker and put a thermometer in the sand.

In an experiment, the variables that must be kept constant for all the groups is called the CONSTANT OR CONTROLLED VARIABLE. This is done in order not to influence the outcome of the experiment. In this case, the weight (500g) of the soil should be kept the same for all other tests.

This means that for the remaining soil being tested, 500g of each type of soil should be used.

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3 years ago

The ultimate product of transcription and translation is the formation of _________.

e-lub [12.9K]

Answer:

The answer here would be D, proteins.

Explanation:

Transcription forms RNA, while translation forms a polypeptide amino acid chain. Through a long process the polypeptide amino acid chain will eventually synthesize a protein.

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3 years ago

Outline the levels of organization starting with the smallest, organisms

k0ka [10]

organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere. These have been arranged from the smallest to the largest. The biosphere is the largest level of organization while the organelle is the smallest. However, the basic form of life begins with the cell. Many cells together form a tissue and several tissue form an organ.

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4 years ago

6. As the lunar cycle progresses from the full moon to new moon the light will appear to _________.

lilavasa [31]

Answer:

6. As the lunar cycle progresses from the full moon to new moon the light will appear to decrease

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8. The third quarter / 7th phase occurs at 21 days into the cycle and shows the left half of the moon illuminated.

9. In a crescent stage less than half of the Moon appears illuminated and during a gibbous stage more than half appears illuminated.

Explanation:

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3 years ago

Which of the following accurately describes the binomial nomenclature naming system?

defon

Yes it's A definitely correct

7 0

3 years ago

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