<em>Animal cells do not undergo photosynthesis. Chloroplasts do not exist in animal cells. Chloroplasts are found in several unicellular eukaryotes, such as Euglena. They have both plant and animal traits.</em>
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<em>I hope this helps. </em>
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the answer is D. indentifying the father of a child
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Changes in the environment affect the food sources available for birds. For example, if a flood was to occur, there would be an abundance of fish to birds to eat. So birds with bigger beaks will be able to eat fish, to live and reproduce offspring with bigger beaks. While birds with smaller beaks will not be able to catch fish to eat, therefore decreasing the population of birds with smaller beaks.