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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The shortening and broadening of pelvis in hominins was the indicative of habitual bipedal locomotion.
Hominins are the tribe that belong from the sub-family Homininae. They are considered as the first modern humans. They are believed to be our recent ancestors. Homo sapiens species is evolved from this tribe. The various anatomical evolutions in them were: erect posture , larger brains, bipedal motion, broadened pelvis, usage of tools and also they were known for communication.
Pelvis is the area between the lower abdomen and the hip bone. It comprises of bladder and rectum. Some of the reproductive organs of the males and females are also located in their respective bodies.
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Answer:
Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.
Explanation:
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On the Galapagos Islands, Darwin also saw several different types of finch, a different species on each island. ... Finches that ate small nuts and seeds had beaks for cracking nuts and seeds. Darwin noticed that fruit-eating finches had parrot-like beaks, and that finches that ate insects had narrow, prying beaks.
I think the answer is D. Circulatory because this system helps to get the absorbed nutrients throughout the whole body
