FOR PEOPLE WHO TOOK THE 9TH GRADE BIOLOGY EOC: how hard was it? is it as bad as they make it seem? I have to take it Thursday and I'm really nervous about it.

The population of bacteria in a petri dish doubles every 40 seconds. the population of the bacteria is initially 400 organisms. what unit is most appropriate for the time at which the number of bacteria is 300? hour bacteria per hour second bacteria per second

What does natural resource management aim at ?

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