<span>b. more like other protists than members of other kingdoms.</span>
Answer: The taproot
Explanation: A deep taproot helps plants use moisture held in deeper soil layers, and they can have great drought resistance compared to fibrous-rooted plants. An example is honey mesquite (Prosopis juliflora), which is known to send its roots down 150 feet to get water.
I believe that last one is true (photosynthesis of plants)
good luck
