Biology

Which of the following is a signal that you are hungry?

More Questions from Biology
What is a cell that provides energy for another organism called?
Reveal Answer
What can be made from the particles of a dead virus to prevent the disease caused by that virus?
Reveal Answer
What is made by white blood cells to help fight off infection?
Reveal Answer
Which of these is not one of the four lobes in the hemispheres of the brain?
Reveal Answer
What is the largest crocodilian in the world?
Reveal Answer
What is the process of joining the male and female sex cells of a plant called?
Reveal Answer
Fish take in oxygen through their gills; what do insects take in oxygen through?
Reveal Answer
What is needed to make proteins?
Reveal Answer