Which of the following statements is true of the layers of cells of an embryo?
A. The mesoderm primarily produces internal body parts and sensory receptors.
B. The ectoderm primarily produces surface parts.
C. The mesoderm develops into the nervous system and brain, sensory receptors, and skin parts.
D. The endoderm is composed of the mesoderm and the ectoderm.
Answer: B
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__________ is Piaget's fourth stage of thinking and is characterized by thinking about abstract, hypothetical, and scientific problems.
A. Intrinsic motivation B. Formal operational thinking C. Hypothetico-deductive reasoning D. Metacognitive understanding
Visible light with a short wavelength and a high amplitude would be perceived as _____________
A) reddish and dim B) bluish and dim C) reddish and bright D) bluish and bright
The ion channels found at excitatory synapses allow
a. sodium to enter the neuron. b. neurotransmitters to enter the neuron. c. sodium to leave the neuron. d. potassium to enter the neuron. e. neurotransmitters to leave the neuron.
A behavioral psychologist is most likely to fall on the "nature" side of the nature vs. nurture debate
Indicate whether this statement is true or false.