Question

Information flow in biological systems is necessary for negative (regulative) feedback to operate. Which of these examples does NOT involve flow of information providing feedback? Bacterial genes for breaking down lactose are activated in the presence of lactose. Low blood sugar causes the liver to convert starch to sugar to be released in the blood. Drought kills many trees. Heat receptors send signals to promote sweating.

Answer 1

Droughts kills many trees

Explanation:

• The example of Droughts kills many trees do not involve the flow of information providing feedback.

• Drought is a condition when there is a prolonged shortage of water.
• The duration of drought can be for a month, year or more than a year.

• The drought is caused due to the human activities such as Deforestation.
• Due to less rainfall in a region also causes the Drought in an area.