The brain and spinal cord are known as the central nervous system (cns). the spinal cord contains nerves that send information to and from the brain. the is a bundle of nerve tissue at the base of the brain that connects the cerebrum to the spinal cord and sends messages between different parts of the body and the brain.

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Which of the following would be an important part of a multi-step plan to restore the stability of the red-cockaded woodpecker's ecosystem?

Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.