Why is the concentration of carbon dioxide higher near the cells than inside the capillary?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures