If an herbivore population consumes 3,000 kg of plant material, how much energy is available to that herbivore? the first level carnivores? second level carnivores?

Im is in a crowd of people at the mall looking for his girlfriend tammy, who was supposed to meet him for dinner. jim realizes tammy is across the room as he catches a whiff of her overpowering perfume, 'paris #6'. which process explains why jim is able to smell the perfume?

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Abacteriophage typically attaches to the bacterium and then