Jill stepped on a tack. which part of the central nervous system caused her foot to move off the tack quickly in a reflex response?

Select all the true statements about the cosmic microwave background radiation

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

What goes in and out of a cell respiration?