Which species name means “upright man”?
a. Homo erectus
b. Homo habilis
c. Australopithecus afarensis
d. Homo floresiensis
e. Neanderthals
ANSWER: a
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Many marine and freshwater bony fish achieve osmoregulation via _____
A) loss of water through the gills B) gain of salt through the gills C) loss of water in the urine D) no drinking of water E) gain of water through food
Which of the following animals would have the highest basal metabolic rate?
A. elephant B. lion C. eagle D. frog E. bumblebee
Which of the following it the most typical order of events in seed germination?
a. shoot cells divide and elongate ? root cells divide and elongate ? seed coat splits ? water imbibition b. water imbibition ? seed coat splits ? root cells divide and elongate ? shoot cells divide and elongate c. water imbibition ? root cells divide and elongate ? seed coat splits ? shoot cells divide and elongate d. seed coat splits ? water imbibition ? root cells divide and elongate ? shoot cells divide and elongate e. seed coat splits ? water imbibition ? shoot cells divide and elongate ? root cells divide and elongate
A cohort is
a. a group of individuals of the same species born during the same time interval. b. any member of the same species. c. a group of individuals with the same parents. d. a group of individuals of the same sex. e. any group of closely related individuals.