Answer: D
Explanation:
Crossing over refers to homologous chrosmomes exchanging DNA which creates variation of chromsoomes that are inheried by offspring.
Answer:
Mechanization is used for tillage practices.
Explanation:
Mechanization is an important factor that contributes in the Green Revolution because the using machines for the softening of soil enhances root penetration in the soil as well as aeration in the soil. Mechanization involves all the machines that is used for tillage practices such as cultivator, rotavator, chisel plough etc. The use of these machines enhances production of the crop that leads to Green Revolution.
Answer:
a contagious and fatal viral disease of dogs and other mammals that causes madness and convulsions, transmissible through the saliva to humans, usually caused by a rabid animal through physical contact. While influenza is a virus that a contagious respiratory illness caused by influenza viruses. Influenza usually comes on suddenly. People who have Influenza often feel some or all of these symptoms: fever, chills, cough, sore throat, runny or stuffy nose, body aches, headaches, and fatigue
Explanation:
Answer:
In both animal and plant cells. ... Only in plant cells. Mitochondria. Produces a usable form of energy for the cell.
a population can become more adapted to its environment through natural selection. natural selection is a process by which organisms that are well adapted to their environment survives and produce more offspring. The least adapted organism die and are unable to give rise to new generation with characteristics that are not well adapted to the environment. the process is also referred to as survival for the fittest. this is the main process that brings about evolution. the theory of natural selection was fully expounded by scientist Charles Darwin.