Which sphere is part of the carbon and water cycles, but absent from the phosphorus cycle? a. biosphere b. atmosphere c. hydrosphere d. cryosphere b- atmosphere

This is a biological reaction due to a stimulus. i need this quickly !

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around.the heterotrophic protists would since they use them to gather food.the parasitic protists would since they need to find other organisms to attack.the autotrophic protists would since they must move to find light.

Light sensitivity in euglena is provided by the