An individual eats a hamburger. Which two systems must interact to transfer the nutrients in the hamburger to human muscle tissue? A. Respiratory and excretory
B. Digestive and Immune
C. Digestive and Circulatory
D. Circulatory and respiratory

The development of_ factored in the development of complex organisms.

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 not a potential result of deforestation?