A large body size is advantageous for horses, so horses became larger and larger throughout their evolutionary history. this is an example of Directional selection
The domesticated horse is a hoofed, one-toed mammal. It is one of the two existing subspecies of Equus ferus and a member of the taxonomic family Equidae. Eohippus, a small animal with several toes, was the ancestor of the horse, which developed over the course of the last 45 to 55 million years to become the huge animal it is today. Horse domestication is said to have started approximately 4000 BC and expanded significantly by 3000 BC. The caballus subspecies of horses are domesticated, yet certain populations of domesticated horses roam freely as wild horses. Since this term is only used to refer to horses that have never been tamed, these feral populations are not actually wild horses.
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The aim of the remainder of the Crusades in the 13th century was to combat anyone considered an enemy of the Christians.
The goal of Albigensian Crusade(1208-1229), was to eliminate the Cathars sect in southern France. Another Crusade, The Baltic(1211-1225), had the same objective but with the pagans in Transylvania.
In 1216 the Crusades attacked Egypt but were defeated by the Muslims in 1221. The Muslims were commanded by Al-Malik al Kamil.
Answer: Depression, anxiety and substance-related disorder.
Explanation:
Many elderly people can develop substance use problems or mental disorders, such as depression and anxiety. The might suffer life stressors that are familiar to everyone, but they add up to stressors common to those in later life, like the meaningful continuous decline in their abilities. Moreover, aging people might endure different conditions at once.
Process of the chromosomes correct me if I’m wrong