What is the term for a group of interbreeding organisms that are able to produce fertile young?
a. population
b. ecosystem
c. genus
d. biological species

The kidneys, ureter, bladder, and urethra the body maintain homeostasis through the process of a. excretion b. specialization c. respiration d. digestion

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence