Together, photosynthesis and cellular respiration make the:
A. water cycle
B. oxygen cycle
C. carbon cycle

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

What is a group of organisms that are closely related and share similar characteristics

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind