A stationary population pyramid:
b. reflects data for only one sex as opposed to both.
c. has the shape of an inverted pyramid.
d. reflects unchanging birth and death rate patterns.
e. is a common shape for developing countries.
Ans: d. reflects unchanging birth and death rate patterns.
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Neurotoxic shellfish poisoning is caused by a(n) ________
a. charophyte b. apicomplexan c. dinoflagellate d. trypanosome
The figure illustrates a portion of the life cycle of
a(n) a. zygomycete. b. ascomycete. c. basidiomycete. d. glomeromycete. e. lichen.
Which of the following are NOT components of the
appendicular skeleton? a. arm bones b. collarbones c. finger bones d. ribs e. leg bones
Adult stem cells in the brain are totipotent and differentiate into neurons and glial cells
_________________ Indicate whether the statement is true or false.