The answer is theory which is a proposed explanation whose status is still conjectural and subject to experimentation, in contrast to well-established propositions that are regarded as reporting matters of actual fact.
Geological timeline is the chronological dating of the organisms and the geological happening in the orderly manner of the years and dates. The oldest mammals lived 200 million years ago.
<h3>What are the different species that arrived in the geological timelines?</h3>
5 million years ago humans arrived, 200 million years ago first mammal organism, 1.5 billion years ago complex single-celled organisms and 4.5 billion years ago Earth was formed.
The geological timeline is important as it portrays the presence and arrival of the organisms and the formation of some of the structures.
Therefore, mammals arrived at option B. 200 million years ago.
Learn more about the geological timeline here:
brainly.com/question/13580987
Answer:
Going down Burr Hill; the contour lines are close together.
Explanation:
Between Points A and C, the steepest part is going down Burr Hill.
I know that, because the contour lines are so close together.
That means your vertical descent is quite steep compared to the distance you cover horizontally.
100% almond-shaped eyes. More specifically, 50% homozygous (AA) and 50% heterozygous (Aa)
Answer: The molecule itself is the actual thing present.
while the diagram explains what makes up a molecule or what it looks like structurally
Explanation: