This runner completed a 200-meter race with a time of 23.75 seconds. What was her average speed?

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

Match the types of competition to their descriptions

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid