The pollen grains contain sperm which will fertilize the egg and create a seed to sprout the next generation of plants. The main male part is the stamen. It is divided into two parts: the anther and the filament. The anther produces the pollen grains that contain the sperm needed for fertilization.
Answer:
D. cell, tissue, organ, organ system, organism
Explanation:
also before cells there are also (and in order) atoms, molecules, organelles
(have a great day!)
;)
Answer:
None of the Above.
Explanation:
The correct answer is fitness. The Theory of Evolution defines fitness as a result of the adaptations an organism has which increase its chance of survival.
Density is mass of object per unit volume
Answer:
pathogens
Explanation:
pathogens may occur in various way e.g spread from a person to person by directly body contact