Chloroplast and mitochondria. Because both organelles are roughly the same size and shape as bacteria, have their own double layer membrane, and mitochondria have dna, that they were engulfed by early cells and are now organelles.
<span>New kingdoms were needed that reflected our growing knowledge of the differences between living organisms.
The classification system requires criteria to differ the organism. As the technology and research advance, we can observe more characteristic of many organisms and found more differences between them.</span>
<span>The conclusion is NOT valid since too small a sample of bacteria was used in this investigation.
NOT:
</span><span> The conclusion is not valid since the same amount of bacteria was used in each dish.
The conclusion is valid since too small a sample of bacteria was used in this investigation.
The conclusion is valid since the amounts of bacteria were measured at the end of the investigation.
The conclusion might not be valid since the investigation was carried out only once.</span>