The ________ gives rise to the ________.
A. endoderm; mesoderm
B. endoderm; muscular system and skeletal system
C. ectoderm; nervous system and epidermis
D. mesoderm; endoderm
E. mesoderm; digestive glands
Answer: C
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Which of the following are true regarding evolution of the human forelimbs for bipedalism? Select all that apply.
_____ They are shorter than the hindlimbs. _____ They are less muscular than the hindlimbs. _____ The hands are better adapted for handling objects. _____ The shoulder joint has less mobility than the hip joint.
One action of glucocorticoids is to suppress the immune system. Why would an animal benefit from glucocorticoids if it has a bacterial infection?
What will be an ideal response?
What occurs at the respiratory membrane?
A. Gas exchange between the blood and tissues takes place. B. Gas exchange between the air and blood takes place. C. Mucus removes debris. D. Macrophages accumulate to remove debris.
List the two classes of sympathetic receptors and the neurotransmitter(s) each binds
What will be an ideal response?