Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome
<span>The answer is (D) are k-selected.
Primates are the most K-selected among mammals. Individuals produce only a few whom
they invest a great amount of parental care. Reproductive strategies main goal
is to produce offspring and successfully rear them to adulthood.</span>
I believe that the best answer for this question is "gene mutations." Gene mutations can either take place through nucleotide substitutions, which occur when the the sequence of nucleotides are altered. Frameshift mutations can also occur. They involve the insertion or deletion of a DNA molecule's bases. Hope this helps.
Active transport is usually associated with accumulating high concentrations of molecules that the cell needs, such as ions, glucose and amino acids. Examples of active transport include the uptake of glucose in the intestines in humans and the uptake of mineral ions into root hair cells of plants.
sorry if it did not help