The oldest fossils present at the bottom of rock layer whereas the youngest fossils are present in the top layer.
<h2>Rock layers from oldest to youngest</h2>
The rock layers that is located farthest from the ground surface are considered as the oldest rock layers and rock layers that are closest to the ground surface are considered as the youngest. A fossil is the remains or traces of plants and animals that lived long ago.
<h3>Presence of fossil</h3>
Those fossils which are present at the bottom of the rock layers are considered as the oldest fossil followed by the upper layer's fossil and so on. The fossils present at the top layer are the youngest fossils so we can conclude that oldest fossils present at the bottom of rock layer whereas the youngest fossils are present in the top layer.
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Answer:
The correct answer is option C, protection of the environment
Explanation:
An ecologists is a person who deals with the ecosystem and its component to conduct surveys and access the diversity and behaviour of different organism. They study the relationship between the environment and its living things. They work for NGOs , environmental consulting firms and the government and assist them in conducting research and establishing rules and protocols to protect the environment
Genus is the most specific
Answer:
When a scientist repeats an experiment with a different group of people or a different batch of the same chemicals and gets very similar results then those results are said to be reliable.
Explanation:
Reliability is measured by a percentage – if you get exactly the same results every time then they are 100% reliable. hope this helps you :)