Select the correct image. Identify which tortoise will survive in an ecosystem where the only vegetation available is higher than ground level.

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

The production of cells during mitosis into specialized function is recombination or differentiation

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone