____ is an interaction in which individuals require the same resource, and therefore the availability of that resource is lowered
Fill in the blank with the appropriate word.
Competition
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Which of the following regions produces hormones that are secreted by the pituitary gland?
A. cerebrum B. cerebellum C. thalamus D. hypothalamus E. medulla oblongata
In eared seals, the main propulsive force for swimming is produced by the:
a. forelimbs. b. hindlimbs. c. undulations of the body. d. tail. e. caudal fin.
During parturtition, mechanical pressure
caused by the movement of the fetus through the uterus causes the release of ___ from the ___.
a. HCG---hypothalamus b. oxytocin---posterior pituitary c. oxytocin---hypothalamus d. HCG---posterior pituitary e. oxytocin---adrenal cortex
The body’s biological clock is associated with the activity of which hormone?
a. melatonin b. ANP c. ADH d. FSH e. prolactin