4. How is the sand worm adapted to carrying out ingestion and digestion? 5. State and explain at least 5 ways in which sand worm structure leads to function that makes them well adapted to their environment. 6. What hypothetical adaptation can you think of that could make them more successful? Explain.

The energy needs of a human population are not affected by

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

What molecule does hemoglobin decay into over time