Carl woeses's work separated prokaryotes into two groups, originally called Eubacteria and ARCHEA.
Answer:
The correct answer is - eukaryotes.
Explanation:
Eukaryotic organisms are the organisms that have membrane-bound organelles or compartments in their cells that play different types of roles in the cell such as assisting in cellular respiration, photosynthesis, packaging and modifying the proteins, and also helps in transporting them.
In archaea, bacteria and viruses lack true membrane-bound organelles in their cells and found very limited cell organelles like ribosomes and others but no membrane-bound organelles at extent of eukaryotic cells.
Answer:
Explanation:
The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.
C
Brown algae
Im pretty sure this is correct
