Answer:
True
Both polar bears and grizzly bears are genetically same species—DNA proves it. They diverged from one another about 400,000 years ago. Even today in
Answer:
The correct answer will be- Crop rotation
Explanation:
When the growth of a type of crop which uses soil nutrients in abundance and then growing another crop in the same filed led to the decrease in the production of the next crop.
Thus farmers adapted to avoid such farming practices and developed a new practice which allowed the land to become fertile again so that the growth of next crop will not be affected.
The practice involved the planting of a crop on a piece of land then leaving the soil ploughed and unsown for a longer period of time and growing corp on another piece of land allowing the time to restore the nutrient content. This practice is known as "crop rotation".
Thus, crop rotation is the correct answer.
I don't know much about it but i think it is when <span>When you crosses 2 plants of the same pure lines parentage, the resulting F1 is termed as true-breeding plants.
</span>True-breeding plants can also be produced by <span> selfing </span> (or self crossing) flowers form a pure line plant. When seeds from this fertilization are planted, they will give rise to homologous-homogeneous population.
HOPE I HELPED U ^﹏^
Answer:
b.
Explanation:
Random forces lead to genetic drift. Sometimes, there can be random fluctuations in the numbers of alleles in a population. These changes in relative allele frequency, called genetic drift, can either increase or decrease by chance over
