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 answer is Iron.
Iron overdose or poisoning it's when the iron intake is very superior to normal and can become fatal. This term has been associated with young children in the united states due to the large consumptions of iron supplement
pills, which look like sweets. Just 3 grams can be fatal for a two year old.
All of the above would be correct
Jim Crow laws were a collection of state and local statutes that legalized racial segregation. Named after a Black minstrel show character, the laws—which existed for about 100 years, from the post-Civil War era until 1968—were meant to marginalize African Americans by denying them the right to vote, hold jobs, get an education or other opportunities. Those who attempted to defy Jim Crow laws often faced arrest, fines, jail sentences, violence and death.
d. The right to refuse to participate in the study is the ethical principle violated in the study.
<u>Explanation:</u>
Dr. Lewis decided to conduct a study on the television viewing habits of her students. So she demanded her students her complete and return the survey regarding their television viewing habits.
The survey is about making the self-report which is used to know about the feelings, attitudes and beliefs of the participant.
Lewis forced her students to complete the survey, here Lewis violates the rights of the students to refuse the survey.
