Out of the given statements, the one that best describes evolution is A. it is based on the idea that all life is related. The theory of evolution states that over time, the environment of a species exist pressures, forcing the organism to adapt and the best adapted organisms survive. This continuous process of adaptation to the changes in the environment leads to an increasing complexity of life; however, all life is related as even the most complex organisms were at a point simpler ones.
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I'm a eukaryotic, plant cell. I would be the central vacuole that stores excess water, food, and waste. There's only one of me in a plant cell. If I weren't in the cell, it would collapse or burst, because it well lose its turgor pressure. Moreover, the cell won't have enough space to store all the water and molecules needed for conducting photosynthesis. I resemble the stomach in a human body; a stomach stores food and water for later use.
The tetrad occurs during the first phase of meiosis. It is the foursome of chromatids that forms when replicated homologous chromosomes align. It must be formed for crossing over to occur. It is broken apart when the homologous chromosomes separate in meiosis I
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Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes.
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what are the options
the only thing i can think of without seeing the options is Competition from other animals.
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