A pregnant mouse is exposed to high levels of a chemical. Many of the mice in her litter are deformed, but when they are interbred with each other, all their offspring are normal. Which two of following statements could explain these results?a. In the deformed mice, somatic cells but not germ cells were mutatedb. The original mouse's germ cells were mutatedc. In the deformed mice, germ cells but not somatic cells were mutatedd. The toxic chemical could not affect development but is not mutagenic. e. None of the above

Which of the following is an oxidation-reduction reaction? (pictured below)

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

Choose the diagram that best represents a habitat corridor explain your choice.