The _____ is the inner layer of the embryo from which the lungs and digestive system develop.
A. neural tube
B. mesoderm
C. endoderm
D. umbilical cord
Answer: C
You might also like to view...
Which of the following is most accurate concerning differences in the communication styles of men and women?
a. Women value the skills of being a good storyteller. b. Men desire a degree of closeness that is not typically reciprocated by women. c. Women tend to want to talk things out so everyone feels comfortable. d. Men are more comfortable with escalating conflict.
One way in which single-subject research is like most other experimental designs is that ____
a. means are compared with traditional tests for significance b. pre- and post-test scores are always compared c. they provide detailed descriptions of single individuals d. they are capable of determining cause and effect relationships
Which of the following are associated with generalized anxiety disorder?
a. delusions b. jumbled and incoherent speech c. hallucinations d. none of these choices
Which characteristic is NOT a symptom of hyperactivity?
A) difficulties remaining still B) difficulties waiting for a turn C) interrupting others D) difficulties following instructions