Only about 10% of the energy in an organism is passed onto the next level of food chain. look at this food chain: grass > rabbit > hawk. what percentage of the energy stored by the grass is pased on to the hawk?

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

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Name the types of burns one can get and which structures of the integument are damaged