As animals move up in the food chain they start to have larger competition for food with other animals, deer compete with elk and even rodents that eat the same food as them. They must fight for food and survival.
I'm no Eisten, but from what I remember when I was in middle school. The Earth's rotation axis affect Earth's weather for seasons. The seasons change (weather) depending on the amount of sunlight as earth revolves around the sun.
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The cell structure has specific functions that are essential to carry out life's processes. These components include the cell wall, cell membrane, cytoplasm, nucleus, and cell organelles.
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I don't understand it I am so sorry
