The large land mass that contained all the continents during the Triassic was called
a. Laurasia.
b. Pangea.
c. Gondwana.
d. Atlantis.
e. Africa.
b
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Which ions are important for establishing the resting potential in neurons?
A. Na+ B. K+ C. Intracellular anions (e.g., proteins) D. H+ E. All of the choices other than H+ are correct
Which of the following is INCORRECTLY paired?
a. pancreas ? insulin b. thyroid gland ? thyroxine c. hypothalamus ? melatonin d. adrenal cortex ? glucocorticoids e. posterior pituitary ? oxytocin
The female external genitalia are collectively known as the ____
a. ovary b. oviduct c. vagina d. vulva e. uterus
Mechanisms that prevent interbreeding between two different species whose ranges overlap are
referred to as: a. sympatric isolating mechanisms. b. equilibrium isolating mechanisms. c. reproductive isolating mechanisms. d. allopatric isolating mechanisms. e. preadaptive isolating mechanisms