Describe the evolutionary adaptation of the digestive tract of roundworms?

What does all of the organ system in a human form

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?