How many species of plants existed on this earth?
what is pollen prepotency?
What are the 5 main differences between respiration and photosynthesis?
what are the effects of ringbarking trees?
what is the scientific name for CHRISTMAS tree?
diff between pepo and pome?
difference between habit and habitat?
Explain the grafting of different rootstocks together ?
xylem
Amensalism means?
what make the color in a flower?
who discovered agrobacterium?
Why do the plants or animal bodies decay ?