Using blood doping to artificially increase the number of red blood cells in an athlete might lead to a long term shortage of red blood cells because 1) red blood cells could stop being produced by meiosis2) homeostasis could be disrupted in the athlete3) red blood cells could attack and destroy the extra red blood cells 4) the athlete would no longer need red blood cells

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.