The four-field system allows for question 46 options: a. unprecedented population growth. b. minimal land left fallow. c. replaced soil nutrients. d. provided food for animals.

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.

The term used to describe a disease-causing microorganism isa. virus.b. infection.c. pathogen.d. microbe.e. bacterium.

What controls activities within a eukaryotic cell?