Answer:
The correct option is : a. Oldowan
Explanation:
The Oldowan or Mode I tools are the simply earliest or the oldest recognizable tools, preserved in the archaeological records.
The oldest Oldowan tool is dated about 2.6 million years ago and was found in Gona, Ethiopia. These tools were used in the Lower Paleolithic period, about 2.6 million years ago until 1.7 million years ago. These tools were used in Africa, Middle East, South Asia and Europe, by the early humans.
This would be a crowbar. If you have trouble understand this, just visualize what happens when you pry the lid of a box open with a crowbar. You push one end down, and the other end goes up.
Answer:
In prokaryotes nucleus is not present so replication transcription and translation takes place in the cytoplasm in the prokaryotes while in eukaryotes replication and translation takes place in the nucleus.
In prokaryotes, transcription and translation are coupled but in eukaryotes, transcription and translation are separated by nucleus and post-transcriptional modification takes place in eukaryotes, not in prokaryotes.
In prokaryotes, ATP synthesis takes place in cell membranes because they do not have mitochondria. Eukaryotes contain mitochondria where ATP synthesis takes place in them.
We need to see an ecosystem that goes with the rat to answer this question.