Which statement correctly addresses the validity of the claim? F The claim is valid because many studies and experiments have shown that
bacteria disrupt homeostasis.
G The claim is invalid because there are many types of bacteria that help organisms
maintain homeostasis.
H The claim is invalid because only microorganisms such as viruses disrupt the
health of organisms.
J The claim is valid because bacteria cause disease.

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.