Answer:
Due to presence at early days of the planet.
Explanation:
We only find the remains of single celled organisms in the oldest fossils because the single celled organisms are the organisms that were present in the early days of this planet. These single celled microbes were present about 3.7 billion years ago while on the other hand, the oldest rocks are only a little older i. e. 3.8 billion years so these single celled organisms are considered as oldest fossils on this planet.
Answer:
mercury-in-glass thermometer
hope it helps!!
I would say D and A are your answers :)
Answer:
Staphylococcus aureus is a gram-positive
Explanation:
Answer:
Prokaryotic are organisms that consist of a single prokaryotic cells and Eukaryotic cell are found in plants, animals, fungi and protists.
Explanation:
they are range from 10-100 micrometre in diameter, and their DNA is contained within a membrane-bound nucleus.
