Can be separated physically is it a mixture or a element or a compound

Select the correct level on the energy pyramid. The energy pyramid shows the flow of energy through a temperate forest ecosystem.

During drought years on the Galapagos, small, easily eaten seeds become rare, leaving mostly large, hard-cased seeds that only birds w / large beaks can eat.

Scientists theorize that Australia was once part of a larger mainland area but due to plate tectonics, broke away.

Why is phrenology considered a pseudoscience? A. It is based on empirical evidence. B. It requires hypothesis testing. C. It lacks quality experiments. D. It rejects unsupported claims.

Which one of the following can be viewed only by an electron microscope and WHY? (cell surface membrane, nucleolus, chromosomes, vacuole)

Where do joint capsule receptors send proprioceptive information?

Why do scientists use controlled experiments

Which of the following show population variation? Bacteria becomes resistant to penicillin. Galapagos Island finches have different sized beaks depending on which island they are on because of the different kind of seeds available to eat on each

At what pint in the cell cycle do cells begin to divide uncontrollably

Is produced along with water at the end of normal cellular respiration?