A population of giraffes on a square kilometer of the African savannah contains sixteen individuals. Generally, the giraffes stay in smaller groups, surrounding scattered watering holes, where there is abundant vegetation. What is the size of the giraffe population? What is the population density?

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition. b) one-fourth of the daughters of an affected man would have this condition. c) one-half of the daughters of an affected father and a carrier mother could have this condition. d) only if a woman is xxx could she have this condition.

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review