Which test tube in the experiment best represents a normal stomach? A. Protein + hydrochloric acid

B. Protein + pepsin

C. Protein + pepsin + hydrochloric acid < (I think?)

D. Protein + water

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

What is true of sea slugs in these orders

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants