This is due to the different chromosome numbers of the two species, horses have 64 chromosomes as the donkey only has 62 chromosomes. This will leave the offspring to have 63 chromosomes, allowing the pairs to not match correctly and creating successful embryos.
Yes, most donkeys will sleep standing up. However, they may lay down when they are sure that there is no harm from predators or if they are in a herd, one or more will remain standing while one lays down to sleep.
In an isolated system, entropy can only increase or remain constant, but it cannot decrease.
Isolated in which way??? The US likes its independece and as such it does not follow many currents, it is a selfish county. What exactly is your question?
because of shaka the great
no
no
Horses remain small in evironments that do not have the nutrition to support a larger animal. Mongolian horses are a product of environmental pressure to remain small. The horses that are more efficient at converting limited forage to energy generally have lower metabolic rates as well.
Not after the Japanese attack on Pearl Harbor.
An isolated system is a system in which neither matter nor energy can enter or leave the system. This means that no interactions with the surroundings can occur in terms of energy or matter exchange. The total energy and mass within an isolated system remain constant.
yes dont remain isolated because then you will just get hit!
The best place to sell your horses would be to a stable close to where you live, preferably owned by an acquaintance you to. This way you'll know that your horses will remain safe and healthy after you sell them.
The geographic factor that allowed it to remain relatively isolated from other European nations was its location as an island separated by the English Channel. This natural barrier made it difficult for invading forces to cross, thus giving the nation a sense of security and independence.