Mouth, esophagus, stomach, small intestine, large intestine.
D) hippos and whales evolved from a common ancestor.
<span>The correct option is A. SI unit is the standard measure by which a measurement is made all over the world. Length is a measurement, its SI unit is meter and the tool used to measure it is ruler. The other options are wrong because, temperature is measured in kelvin, weight is measured in kilogram and volume in cubic meter.</span><span />
Answer:
A zygote can end up with one fewer chromosome than normal because one of the fertilizing gametes was missing a chromosome. This deletion, called nondisjunction, happened while the gamete was forming.
Explanation:
