Animal skulls are said to protect the one of the most important organ in the body. Moreover, the bone has also some features that are important such as being able to identify the organ of the animal, knowing somehow the lifespan, diet and other similar biological traits.
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Answer:
The box has blocked the sunlight from the waterweed and it has stopped photosynthesising
Explanation:
The 3D figure is a triangular prism
Answer:
The last one: dinosaur footprints preserved in mud turned to rock
Fossils have to be physical remains of an animal.
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The egg shell would be most representative of the Earth's Mantle or "Crust", the yolk and white would represent the molten metal inside the earths core I assume.
