No plant can survive without water absolute or

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

What happens to the average kinetic energy of water molecules as water freezes?