Answer:
Explanation:
Autism is one of a group of neurodevelopmental disorders known as pervasive developmental disorders (PDD). These disorders are characterized by three core deficits: impaired communication, impaired reciprocal social interaction and restricted, repetitive and stereotyped patterns of behaviors or interests.
D is preferable.
Explanation:
The behavior response requires communication between cells and an organ system.
embryonic tissue is one similarity between the male and female reproductive systems
Answer:
you find
Explanation:
they have to so they can protect
Id go to the hospital if you are being serious.