Similar bone structure found in distinct organisms indicates that A.
they live in the same habitat
B.
they fill the same niches
C.
they share a common ancestor
D.
All of the above

C

Explanation:

The similar bone arrangement of the human, bird, and whale forelimb is a structural homology. Structural homologies indicate a shared common ancestor. ... For example, the forelimbs of whales, humans, and birds look different on the outside because they're adapted to function in different environments.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

wegner's theory did not explain how the continents could move

explanation: