A few plants they stay green are fatsia, lavender, Aucuba, camellia, euonymus, and muhonia.
Species are single organisms that are able to reproduce, while a population is a group of species living in the same general area.
Answer:
The main difference between sieve tubes and companion cells is that sieve tubes are the long, narrow, pointed tubes present in the phloem of angiosperms whereas companion cells are attached to the sieve tubes, regulating the activity of sieve tubes.
Telomerase in lay terms is the aging protein and eventually stops the replication process