Individuals of the same species have different traits because they have different genes which code for different proteins. B would be the correct option.
<h3>Variations</h3>
Organisms of the same species can have different traits due to a difference in their proteins.
Genes are responsible for proteins and proteins are an expression of traits. Thus, with different proteins come different traits.
Hence, once there is a difference in the DNA sequence of organisms, different proteins will be produced, and different traits will be expressed.
More on variations can be found here: brainly.com/question/17598399
#SPJ1
A chromosome consists of a single, double-stranded DNA molecule. Chromatids are two molecules of double-stranded DNA joined together in the center by a centromere. Chromosomes have a thin ribbon-like structure. Chromatids have a thin and long fibrous structure.
The neuroendocrine system combines brain actions and and other bodily functions. In the brain, the hypothalamus maintains the balance (homoestasis) which affects other functions of the body such as metabolism, regulating reproduction, utilization of energy, drinking and eating behavior, blood pressure and osmolarity.
Read more on Brainly.com -
brainly.com/question/4125003#readmore
Answer:
reproduction
I am typing this part because it wouldn't let me submit because I didn't have enough written
I believe the answer is D, as we can reproduce and we have to be the same biological species to do that