Answer: Flowering plant life cycle
Explanation:
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Answer:
B. Stabilizing selection
Explanation:
When natural selection acts against the extreme phenotypes but favors intermediate variants, it is called stabilizing selection. Stabilizing selection is mostly operative in the population s that are well adapted to the prevailing environmental conditions. Individuals with average or intermediate phenotypes are favored by stabilizing selection.
In the given example, the elk population maintains the antler size over generations. Most of the elks have intermediate-sized antlers while only a few have larger or smaller antlers. Since the average antler size (the intermediate phenotype) is favored over the extreme ones (larger or smaller sized antlers), the population is experiencing stabilizing selection.
DNA is found in all living cells and in once living cells.
<span>Proteins have a very high molecular weight and cannot be present as macro molecules in the glomerular blood. Before even reaching the blood, they are well masticated and processed to simple amino acids and other nitrogenous compounds like urea, uric acid etc. (in the digestive system itself). They are eliminated from the body while glomerular filtration through urine. The glomerular blood thus becomes free from such compounds before leaving the kidney.</span>
Monozygotic twins are twins who are nearly identical, whereas dizygotic twins come from two separate ova.
Monozygotic twins- Identical twins, also known as monozygotic twins, are produced when a single egg is fertilized by a single sperm, resulting in the fertilized egg dividing into two. Identical twins always have the same sex and have the same DNA.
Dizygotic twins- Dizygotic twins are two siblings that develop from different ova, or eggs, that are produced from an ovary at the same time and are fertilized by different sperm. They are also known as fraternal twins or nonidentical twins.
Ova- In most anisogamous species, the female reproductive cell, or gamete, is the egg cell, or ovum (plural ova).
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