Dr. thakkar was studying a fossil from a dig in a desert when he noticed that the organism had evidence of fins. what would this most likely tell dr. thakkar?

This would mostly tell Dr. Thakkar that this is a sea creature that died when the sea levels where higher

Explanation:

the sphincter muscles at the end of the digestive tract is the anus.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: