Cells are of two types: eukaryotic, which contain a nucleus, and prokaryotic, which do not. Prokaryotes are single-celled organisms, while eukaryotes can be either single-celled or multicellular.
Answer:We see the Moon because sunlight reflects back to us from its surface. During the course of a month, the Moon circles once around the Earth. If we could magically look down on our solar system, we would see that the half of the Moon facing the Sun is always lit. But the lit side does not always face the Earth. As the Moon circles the Earth, the amount of the lit side we see changes. These changes are known as the phases of the Moon and it repeats in a certain way over and over.
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The study found the fruit-bearing plants had evolved to cater to the visual capabilities of the main seed-dispersing animals in each place.
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Birds and Dinosaurs once shared a common ancestor.
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A common ancestor is an organism in which two or more distinct species evolved from. Those species are related through similar body structures and behaviors.
