Insects are members of the group
A) Arthropoda.
B) Arachnida.
C) Mollusca.
D) Annelida.
E) Echinodermata.
A
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Which of the following are referred to as mononuclear phagocytes?
A. Lymphocytes and basophils B. Mast cells and eosinophils C. Basophils and eosinophils D. Monocytes and macrophages
During normal healing of broken bones, a callus forms between the two broken ends
Indicate whether the statement is true or false
Which two endocrine glands exert the most control over blood calcium levels?
A) thyroid and ovaries B) adrenal cortex and thyroid C) anterior pituitary and adrenal cortex D) thyroid and parathyroid E) parathyroid and anterior pituitary
Recessive X-linked traits are more likely to be expressed in a male fruit fly than a female fruit fly because
A) the male's phenotype results entirely from his single X-linked gene. B) the male chromosome is more fragile than the female chromosome. C) the male chromosome is more susceptible to mutations.