Answer:
Plants adapt to the environment by modifying their leaves, stem and roots.
Explanation:
Celebrity endorsers can influence the portion of the public (increasingly small) who otherwise do not have strong candidate preferences and pay so much attention to politics. If the celebrity has huge interest and knowledge of politics so i may get influenced.
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When was celebrity endorsement started in United states?</h3>
Celebrity endorsements in the U.S. were started in 1920, precisely a hundred years ago, with film stars publicly supporting candidate Warren G. Harding in the presidential election. From then on, many other celebrities raised their political opinions among their fanbase for electoral candidate.
Celebrities themselves, by making an endorsement may risk losing a share of their audience and inviting public joke and anger.
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Answer:
Crossing over is the phenomenon by which homologous chromosomes exchange DNA segments between them during the process of meiosis.
If crossing over did not occur, there will be no genetic variation among parents and offsprings.
If the process of meiosis did not occur, there will be lesser chances of genetic variations to occur. Each chromosome will be either from the father or the mother with no genetic diversity present in it. As a result, genetic diversity will reduce.
<span>photic zone
The photic zone or daylight (Sunlit) zone is the part of the water in a lake or sea that is presented to such power of daylight which assigns remuneration point, i.e. the force of light at which the rate of carbon dioxide take-up, or identically, the rate of oxygen generation, is equivalent to the rate of carbon dioxide creation, comparably to the rate of oxygen utilisation, diminishing in this way the net carbon dioxide digestion to zero.
Since the photic zone is the place the greater part of the photosynthesis happens, the profundity of the photic zone is for the most part relative to the level of essential generation that happens here of the sea. Around 90% of all marine life lives in the photic zone. A little measure of essential creation is produced somewhere down in the deep zone around the aqueous vents which exist along some mid-maritime edges.</span>