Based on the organization of living things, how could we classify the pollen produced by this flower?
a) an organ that is part of a system
b) a group of cells that form an organ
c) begins as a cell and is part of a system without organs
d) begins as a cell, comes from an organ, is part of a system

Option D

Explanation:

The pollen grains can be defined as the male reproductive cell which helps in reproduction. The pollen grains are produced from the anther which is the male reproductive organ of the plant.

The pollen grains fuse with the ovum in order to produce is a seed. Seed is the part of the system. The level of organization states that the the pollen grains are cells, anther from where it is produced is organ.

The seed formed is a part of system.

the real answer is b. scintillation counter