Hypotheses for the cause of autism spectrum disorders include or have included in the past ________
A) vaccinations
B) aberrant parenting
C) genetics
D) all of the above
D
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Ten songbirds are isolated at birth and not exposed to any adults' songs as juveniles. After six months, it is observed that they sing the normal adult songs of their species. What can be concluded about the singing behavior in this particular species?
A. It is a combination of innate and learned behavior. B. It is a learned behavior. C. It is a conditioned response. D. It is an innate behavior. E. It is an operant response.
The part of the ear actually responsible for
hearing is the
a. hammer, anvil, and stirrup. b. cochlea. c. vestibular apparatus. d. organ of Corti. e. combination of the organ of Corti and the vestibular apparatus
Which is an example of a monounsaturated fat?
a. butter b. olive oil c. coconut oil
d. vegetable oil e. omega-6 fatty acids
What are chemical messengers that control growth differentiation and the metabolism of specific target cells called?
a) hormones b) neurons c) glands d) second messengers