Explain the example of natural selection among jaguars.Group of answer choicesJaguars with larger jaws survive food shortagesJaguars with smaller jaws dominateJaguars migrate to new habitatsJaguars avoid food competition
Question
Explain the example of natural selection among jaguars.Group of answer choicesJaguars with larger jaws survive food shortagesJaguars with smaller jaws dominateJaguars migrate to new habitatsJaguars avoid food competition
Solution
Natural selection is a process where organisms that are better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
Let's take the example of jaguars to understand this concept:
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Variation: In a population of jaguars, there exists a natural variation in physical traits. Some jaguars have larger jaws, while others have smaller jaws.
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Struggle for Existence: All jaguars in the population compete for the same resources, such as food. During times of food shortage, this competition becomes intense.
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Survival of the Fittest: Jaguars with larger jaws have an advantage during food shortages. They can kill and consume larger prey, giving them a better chance of survival compared to jaguars with smaller jaws.
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Reproduction: The jaguars with larger jaws, having survived the food shortage, now have a higher chance of reproducing and passing on their genes to the next generation.
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Evolution: Over time, the proportion of jaguars with larger jaws increases in the population. This is because these jaguars have a higher survival and reproduction rate. This change in the population over generations is evolution, driven by natural selection.
So, in this case, jaguars with larger jaws survive food shortages, not the ones with smaller jaws. Jaguars migrating to new habitats or avoiding food competition are not examples of natural selection.
Similar Questions
Explain the example of natural selection among jaguars.
Which statement gives the best example of natural selection?A A frog has a random gene mutation that changes its color.B A bird makes a loud call to attract a mate.C A lizard sits under shade in a hot desert.D A strain of bacteria has become resistant to antibiotics.
Which of the following situations will lead to natural selection?Question 2Select one:a.The seeds of two plants land near each other and one grows larger than the other.b.Two types of fish eat the same kind of food, and one is better able to gather food than the other.c.Male lions compete for the right to mate with females, with only one possible winner.d.all of the above
Darwin's theory of natural selection has long been a guiding light for explaining changes in species over time. These changes happen for a number of reasons and are usually based on selective pressure.Which of the following examples is NOT an instance of natural selection?Elimination ToolSelect one answerAA group of giraffes stretching their necks in order to reach more leaves to eat.BA shift in the coloring of beetles over time to blend in with the leaves.CMore nocturnal mice in an area over time due to the presence of daytime predators.DA group of gophers getting smaller over time because they can hide in caves from predators.
Which of the following is not a principle of natural selection?Group of answer choicesEvolution will occur as an organism gets older and learns moreIn every population, adaptations allow some organisms to survive and reproduce better than others.Organisms compete for limited resourcesMost species produce more offspring than will actually survive
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