This mammal retains its embryo in its uterus for the full term of the pregnancy. Which mammal is it most likely to be?

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

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

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism