Aliyah’s dog gave birth to 7 puppies 3 days ago. The dad of the puppies is all black and mom is all white. However, when she checked, there were 2 all black puppy, 2 white, 2 with black and white spots and 1 brown fur puppy. How was that possible? Explain.

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explanation:

amber has allowed scientists to study dna that has been preserved over millions of years.

step 1 ammonium can be absorbed by plants, but some is converted into nitrates which are better for plants to absorb. this is called nitrification. 2. step 2 the deer eats the plants and uses the nitrogen-containing proteins for cell growth. 3. step 3 bacteria in the soil conduct nitrogen fixation to convert nitrogen gas from the atmosphere into ammonium. 4. step 4 some of the nitrates are absorbed back into plants, but denitrification breaks down the nitrates into nitrogen gas released back into the atmosphere. 5. step 5 nitrogen is found in the urine, which gets broken down into ammonium through the process of ammonification. 6. step 6 plants absorb the ammonium and begin assimilation, the process to add the nitrogen to protein.