The earliest member of the horse family was the size of a

1.rodent
2.terrier
3.lion
4.none of the above

2.Terrier

Explanation:

The oldest fossil found of a horse is about 55 million years old called Eohippus. Unlike horses as we see them today, it was from the size of a small dog. These were found at North America and Europe. They had a shorter head, with a small jaw and a shorter stature (20 to 40 cm). Then slowly evolved to what domestic horses are today.

do you have a picture?

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.