Turtles and leopards all have four limbs and an amnion. True The common ancestor of lamprey and lancelets had a vertebral column. False In this tree, frogs are the sister taxon of turtles and leopards. False Leopards and bass are more closely related than turtles and bass. False The taxon that shares the most recent common ancestor with frogs is the bass. True Leopards and lancelets have no common ancestor. False

Explanation:

The objective is to conclude if the statements are true or false based on facts.

1)True

2) False

This is because their ancestor is a Chordate who doesn't have a vertebral column but a notochord.

3) True

4)  False

This is because the bass is a fish that possess some characteristics traits related to an amphibian (turtle) as compared to a mammal(leopard).

5) False

The taxa of turtles share a more common ancestor with frogs compared to bass.

6) False

The common distant ancestor for leopards and lancelets is known as  Chordates

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

that is wrong, its not thymus.