Answer:
cardiovascular
Explanation:
Since there is no option of endocrine system, I would say cardiovascular because it involves the bloodstream
This ensures that the experimenter can be certain that the variable they are testing is what causes a pattern in the data if there is a pattern.
D, I believe
Meiosis produces gametes, each parent provides a gamete, containing half the number of require chromosomes. These combine to create a full set of chromosomes.
Ans. (B). Genes.
The chemicals that kill the weeds are known as herbicides. Herbicide-resistance is defined as the inherited ability of weeds to survive an application of herbicide, that can kill a normal weed plant of same species.
The resistance develops due to mutations in genes that were sensitive to those chemicals in wild-type forms. As genes are responsible for transfer of characteristics from one to another generation, the herbicide-resistance is also passed down to generations through genes.
Thus, the correct answer is option (B).
Answer:
The maintenance of the body's physiology is important for the living organisms.The metabolism of the human body affects with the temperature, altitude and with the other external and internal conditions of the body.
In case of higher altitudes, the partial pressure of the oxygen is low. This causes the increase in the breathing rates so the oxygen amount in the body can be increased. The dehydration of the body may also occur for the few hours as the individual reaches the altitude. The body's metabolism also increased with the increase in the altitude.
