Q.4 Answer in one sentence [ 5 marks] 1) Define Adaptation2) Why it is difficult to plough clay soil?3) What is pollination?4) What is atmospheric pressure?5) What is Nutrition?

Q.4 Answer in one sentence [ 5 marks] 1) Define Adaptation2) Why it

1.	Q.4 Answer in one sentence [ 5 marks] 1) Define Adaptation2) Why it is difficult to plough clay soil?3) What is pollination?4) What is atmospheric pressure?5) What is Nutrition?
Answer» 1. the process of change by which an organism or SPECIES becomes better suited to its environment.2. It is difficult to plough clay soil because, Calcium is not leached and the soil becomes acidic. Moreover, heavy rains can saturate this soil so much that the crop may die from lack of oxygen. In short, clay soil is hard, dead and poorly AERATED to grow crops.3. Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. 4. It is the force exerted on a surface by the AIR above it as gravity pulls it to Earth.5. Nutrition is about eating a HEALTHY and balanced diet. Food and DRINK provide the energy and nutrients you need to be healthy.