Both dolphins and sharkes have a tail and fins. How can you determine if dolphins and sharks are closely related​

the eggs of the insects should be the first thing collected at the scene.

false

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.