Answer:
The correct option is<em> b. at each step, energy is lost from the system</em>
Explanation:
The amount of energy that travels from one trophic level to another is known to declines at each level. Infact, only 10% of the energy travels from one trophic level to another.
This is because most of the energy is lost by the organisms at each trophic level. It is due to the metabolic processes which occur in the organisms of each trophic level and most of the energy is lost as heat.
A.Long term energy storage
The weakest class is Q. Hope this helps
Answer:
Trisomy
Explanation:
A trisomy is a type of polysomy (presence of three or more copies of the chromosome rather than the expected two copies) in which there are three copies of a particular chromosome, instead of the normal two. A trisomy is a also a genetic disorder and a type of aneuploidy (an abnormal number of chromosomes either an increase or a decrease). Examples include trisomy 21 (Down syndrome), trisomy 18 (Edward syndrome), trisomy 13 (Patau syndrome)