Yes they should be viewed as nonliving. Because viroids are just like viruses without protein coats. They are similar to viruses excepte the protein coat. And prions are like malfunctioned proteins. They cause diseases too but they are non-living too. Because they too, don't have any metabolics reactions.
Answer: The vascular plants are set apart in two main ways: Vascular plants have vascular tissues, which circulate resources through the plant. This feature allows vascular plants to grow to a larger size than non-vascular plants, which lack these specialized conducting tissues and are therefore restricted to relatively small sizes.
Different organisms have different number of chromosomes
Answer:
cell=ova
plant=organism
tissue=group of similar cells
nose=organ
organelle=nucleus
The answer is A. Sympatric