I think the word you're looking for is INFERENCE.....
Answer:
Non-disjunction of chromosomes.
Explanation:
2 sets of Chromosomes are supposed to be separated into each daughter gamete cells but non disjunction occurred that resulted in both sets of chromosomes being isolated into 1 gamete and the other having no chromosome
The hole allows oxygen to escape the atmosphere because of the equilibrium concept. The air is able to be sucked out at any point by the outer space that has less. Oxygen naturally disperses itself evenly at any chance, which is not good when there is the hole in the ozone layer.
So it starts with the sun and then goes to the producer who has 100% of energy. then each time it goes down(primary,secondary) it loses 10% of energy meaning that the for the primary it only has 10% left of the 100% and the secondary has 1% of the 100%
hope this helps