A pond food web is shown below. Which energy pyramid most accurately shows the energy relationships between three organisms in this food web?

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil