Into what kingdom would each of the following be classified: Unicellular prokaryotes that live in dust. Unicellular eukaryotes that line in pond water. Multicellular eukaryotes that live all over the planet and consume food. Unicellular prokaryotes that live in volcanic ash. Multicellular eukaryotes that have cell walls and are heterotrophic. Multicellular eukaryotes that have cell walls and are autotrophic.

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

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

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center