If a fetus's spine develops before its fingernails, this represents proximodistal development, characterized by

Answer;

-Development from the head down.

If a fetus's spine develops before its fingernails, this represents proximodistal development, characterized by development from the head down.

Explanation;

-Proximodistal development is the progression of motor development radiating from the center of an organism to the periphery. The classic example is a child learning to move her shoulders before learning to control fine finger movement.

-Proximodistal development refers to growth and development that occurs from the head down. For example; an infant can use their arms (gross motor skills) to begin to reach for a toy before they can properly use their fingers (fine motor skills) to pick up the toy.

it is prolly d and c and f

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: