Animals must digest food once it's consumed. the diagram shows the steps involved in which type of digestion?
a. intracellular digestion
b. extracellular digestion
c. acid mediated digestion
d. digestive tract absorption

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

Hey everybody i need with a biology question. all the gametes of isogamous organisms are genetically identical. true false