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Yuliya22 [10]
3 years ago
5

Describe how DNA evidence might be used to confirm scientists' conclusions about any relationship between birds and seals?

Biology
1 answer:
tatuchka [14]3 years ago
4 0
All DNA is remarkably similar, but some more than others. Humans' DNA would be closer to other mammals' than it is to, say, a bird. Using DNA shows how varied an animal really is from another. Specific parts of the DNA code for different things, so you might see a similar structure for wings and flippers.
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How do mountains and large bodies of water affect the biomes of tundra and grassland?
Rasek [7]

Answer: Mountains can trap moisture on one side, leading to an increase in precipitation in this area but lower amounts of precipitation on the opposite of the mountain.  Thus, altitude is going to affect both temperature and precipitation which will affect the composition of biome.

Land masses near large bodies of water, especially oceans, change temperature as the oceans change temperature: slower and with less extreme fluctuations than land masses farther away. Ocean currents like the Gulf Stream carry heat from the tropics, affecting the climate of areas away from the tropics.

Explanation:

6 0
2 years ago
When people have gastric bypass surgery, they are having stomach reduced in size surgically. What do you think would be the bene
fomenos
Benefits: reduce size of stomach, restrict amount of food the stomach can hold, alters food course to prevent passing through small intestine that would normally absorb calories and nutrients. Effects: promotes satiety, suppress hunger, reverse primary mechanisms that causes obesity-related type 2 diabetes. In addition the surgery causes an average of 60 to 80% long term excess weight loss, which is superior to the adjustable gastric band. Typical maintenance is higher than 50%. Other pros include improvements in overall health, comorbidities, mobility, and increase in energy expenditure and quality of life.


Cons: Complex and irreversible surgery, great complication rates, mortality rate of 2.5% 90 days after procedure, despite the fact that comorbidities like diabetes and high blood pressure may be minimized or cured, the worse they are prior to the surgery the more the more likely it is for the patient to suffer from further complications, ( gastric band is reversible and laparoscopic sleeve gastrectomy is less complex than Roux-en-y gastric bypass, which is what the cons are referring to), can cause long term vitamin deficiency particularly in: vitamin B12, iron, calcium, and folate. In addition, the surgery has a longer hospital stay than than the AGB (adjustable gastric band) and it requires adherence to dietary recommendations, life-long vitamin/mineral supplementation, and follow up compliance as explained by ASMBS ( American society for metabolic and bariatric surgery).
6 0
3 years ago
Which remains the same as the distance of an object from earth xhanges
VARVARA [1.3K]

The answer would be C. The mass of the object

6 0
3 years ago
O que é membrana plasmatica?
tiny-mole [99]
A membrana plasmática é basicamente uma borda entre o interior de uma célula e seu exterior. A membrana regula o que entra e sai da célula e é necessária para a sobrevivência da célula. sem ele, todo o conteúdo da célula se espalharia. Isso seria ruim. Cada célula tem uma membrana, assim como as organelas dentro da célula.
6 0
3 years ago
The diagram shows the process of meiosis. How many divisions are required to decrease chromosome numbers and produce gametes?
Tresset [83]

The right answer is 2 divisions.

Meiosis follows the replication of DNA from a reproductive cell (male or female). It allows the passage of a so-called diploid mother cell to 2n chromosome homologous chromosomes to 4 single-chromosome haploid daughter cells. For that it must pass by two successive divisions, the first division is reductionelle generating two diploid cells with n chromosomes. the second division is equational giving 4 haploid cells to n chromosomes from the two preceding cells.

8 0
3 years ago
Read 2 more answers
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