Evolution is the process by which living organisms change and develop over many generations through natural selection, where individuals with traits best suited to their environment are more likely to survive and pass those traits to their offspring. Over millions of years, these small changes accumulate and can lead to the formation of new species.

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DNA is a molecule inside cells that carries instructions for building and running all living things. It is shaped like a twisted ladder and contains genetic information passed down from parents to children.

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Trees produce oxygen through photosynthesis, a process where they use sunlight, water, and carbon dioxide to create food and release oxygen as a byproduct. This oxygen is released into the air through tiny pores in their leaves called stomata.

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Octopuses are highly intelligent animals with problem-solving abilities, complex nervous systems, and the capacity to learn and remember. They are considered among the smartest invertebrates on Earth.

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Bees make honey by collecting nectar from flowers, storing it in their special honey stomach, and then passing it between bees to break down the complex sugars into simpler ones. They finally deposit the processed nectar into honeycomb cells and fan it with their wings until most of the water evaporates, creating honey.

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