They all divide people into different social groups.
Answer:
Silk is a highly economic fiber, with a unit of raw silk worth about twenty times the value of raw cotton. Aside from silk, these insects are used to feed pets, apparently the healthiest natural food source. ... The above economic and health benefits, not an exhaustive list, justifies the title of queen of insects.
Answer:
An organ that helps with digestion but is not part of the digestive tract. The accessory digestive organs are the tongue, salivary glands, pancreas, liver, and gallbladder.
Answer: the cell divides.
Explanation:
Answer:
The correct answer will be option-B
Explanation:
Stromatolites are the sedimentary deposited mounds made of layers of phototrophic microbes which were usually present in the primordial times. The stromatolites are one of the oldest fossils is known today which were formed in the shallow water.
They are composed of the phototrophic bacteria or cyanobacteria which survived and still survive by using the carbon dioxide and sunlight to make food material.
Since the bacteria are the prokaryotic organism therefore, the Option-B is the correct answer.