Tag: evs

Fresh weight of organisms and their body parts comprises of water content along with the actual dry weight. The fresh weight is deviating w.r.t metabolism and availability in the same organism or different organisms taken under observation. This makes the standard comparison difficult. Hence, fresh weight is not used for the construction of the ecological pyramid.

In a terrestrial ecosystem, the pyramid of energy is always upright because energy is lost as heat at each successive trophic level, meaning less energy is available at higher levels.

Energy flow in an ecosystem is unidirectional (one-way). It enters as solar energy, is converted by producers, and is eventually lost as heat, unlike nutrients which cycle.

Maintaining ecological balance requires human intervention and restraint to prevent the disruption of natural systems, as human activity is the primary driver of current imbalances.

The condition of deficiency and excess of essential nutrient is called as malnutrition. In this, either one or more nutrients like calories, protein, carbohydrates, vitamins, minerals are in excess in diet or deficient in diet. It can be either undernutrition or overnutrition. 

A- Malnutrition is a physical state of unbalanced nutrition. It can mean under-nutrition or over-nutrition. 

Patients with high cholesterol are advised to avoid saturated fats (like butter, ghee, and red meat) and consume unsaturated fats found in vegetable oils and margarines.

Malnutrition means any kind of bad nourishment. It doesn't necessarily mean that you aren't getting a proper diet, it can also mean excessive consumption of food. So eating junk food and a bad diet can cause obesity and that is known as malnutrition as well.