Ray is considered a universal donor. His blood type is
A. A.
B. O.
C. AB.
D. B.
Answer: B
You might also like to view...
Which factor would exert selection pressure on a population of insects?
A) a new species of bird in the area B) a fire C) an earthquake D) the introduction of a population of feral cats into the area
Which statement about basal angiosperms is FALSE?
a. They consist of three clades. b. Star anise is a representative. c. Amborella trichopoda is a representative. d. Water lilies are representatives. e. They evolved after the core angiosperms.
The effects of the drug scopolamine suggest that _______ plays an important role in __________.
A) dopamine; schizophrenia B) serotonin; depression C) acetylcholine; learning and memory D) GABA; seizures
Pronghorn antelopes are well adapted for dry conditions with extremes of temperature, especially cold. As global climate change causes the region where the pronghorns live to change, in temperature as well as plant, predator, and prey diversity and
abundance, what is likely to happen to the pronghorns? A) They will learn to eat whatever plants exist in their area and escape from any new predators that arrive. B) If the pronghorn population includes genetic variation that allows survival and reproduction in the new conditions, they will adapt. C) If climate change is not too rapid, the pronghorn can produce new traits needed to survive and reproduce in the changed conditions. D) Because pronghorns will need to be cooler, their fur will become thinner.