Which injury would likely cause the body to permanently lose the ability to perform simple reflexes?
damage to the nerve cells in the spinal cord
a muscle tear in the leg
the death of a single neuron in the body
harm to a nerve in the skin

Wich level of organization includes all the other levels or organizations

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

The function of the ciliary escalator is to