D. a niche is an organisms "job"
Answer:
Lack of moisture – Papery leaves on plants are often caused by leaf scorch. .
Excessive moisture – Leaf scorch can also be attributed to too much moisture. This occurs when the soil is so wet that the roots are deprived of oxygen. As the roots smother, the leaves turn dry and papery and the plant eventually dies.
Explanation:
The answer is d a mitochondrion
There are two types of cellular respiration, these are aerobic and anaerobic respiration. Anaerobic respiration can occur in the absence of oxygen, but for aerobic respiration to occur, oxygen must be present. The process of aerobic cellular respiration involves a series of oxidation and reduction reactions and the oxygen molecule serve as an electron donor and acceptor during this process. Thus the stages of cellular respiration can only occur if oxygen is present. <span />
The answer is Klinefelter syndrome.
Nondisjunction disorders are conditions resulting from an unbalanced distribution of chromosomes. In the case of Klinefelter syndrome, the sex chromosomes are affected. Rather than having an XX for female or an XY for male people with Klinefelters have either XXY or XYY.