Yes, Butane has its four carbon atoms bonded in a continuous chain. Isobutane has a branched structure.
They have the same molecular formula but different structural formulas
The relationship of the herbivore and producer organism is directly proportional.
This means,when there is a decline in the population of ther producer specie then herbivores will also decrease. This because herbivores are dependent on this type of food for its survivel so in sense, they wouldn't survive without this food source.
Yes virus is living because it.move into your body we you have a disease