The effect that malnutrition have on the fetus during critical development in pregnancy is that the impairment of the development of an organ is irreversible. Maternal malnutrition can adversely affect the division and replication of cells in the embryo at this stage, impairing its development. The effects of malnutrition during critical periods of pregnancy are seen in defects of the nervous system of the embryo, poor dental health among other effects.
Crossing over is termed as a process by which genetic materials are exchanged by non-sister chromatids during meiosis.
Crossing over results in the new combination of information in genetic for, the cell for a specific trait.
It ensures that organisms are identical from one generation to another. Genetic recombination allows variations in genetic materials which are passed through generations.
Detritivores role is to consume dead animals (decompose). Thus it is B
The answer is A. seperate
Ecosystem instability refers to that state when an ecosystem is unable to adjust with environmental changes. ... Ecosystem instability is also induced due to manmade activities. For example, (1) Destruction of Himalayan ecosystem due to deforestation, overgrazing etc.
