Answer:
The 'Mole'
Explanation:
In the International Systems of Units i.e. SI, mole is the unit for the measurement of the amount of substances, or in simple terms the number of microscopic molecules or particles in a given sample is measured in mole. It is denoted by the symbol 'mol'.
If in a given sample there are 1 mole particles or molecule then it means that the total number of particles or molecules in that sample is equal to the Avogadro's number and this number has a value of 
. Mole is used as a measurement unit for various types of microscopic particles like atoms, molecules, ions electrons.
An example of a structural adaptation for a zebra is A) The zebra herd constantly moves and is in the Company of other grazers for survival.
Answer:
The correct option is 'C' that is eventually the population stop increasing or would decreases due to lack of food and living space.
Explanation:
In 1798, he wrote an essay on Principle of population where he described that how the population will grow with economy.
He claimed that the population will grow until the food supply decreases and then the population will stop growing due to lack of food and space and those individuals that can fight against this condition and and could attain food, space and other essential necessities will survive.
