If pine cones are placed in water, they close up. but they open up in warm and dry conditions. how do pine cones benefit from this characteristic?

It protects their seeds from unfavorable conditions.

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for