Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
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I think that God has existed always. That's the only logical explanation referring to religion.
Answer:
Convergent Evolution.
Explanation:
When two different species that are very distantly related but have similar traits its Convergent Evolution due to environmental pressures.
Ultraviolet is <span>responsible for causing sunburn </span>
