<span>Monoculture farming often results in reduced soil fertility</span>
Mineral is made up of usable amounts of metallic elements
Like all other reptiles, birds have scales. Also, birds lay eggs like other reptiles.
<span>Nitrogenous Base, Phosphate Group, and Pentose Sugar.</span>
<span>Answer: Cellular differentiation is responsible for one daughter cell becoming a sieve tube whereas the other becomes a companion cell. Cell differentiation occurs as different genes are switched on and off.
Hope this answer helps!</span>
