Humans often think of themselves as unique, but in reality there are only a few distinguishing features. which of these is unique to humans as compared to other mammals?
a. eccrine glands for thermoregulation
b. red blood cells that lack nuclei
c. messner's corpuscles for sensing pressure
d. a fully erect posture associated with bipedalism

Depending on the organism the number of in a cell may change

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit