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How can natural selection lead to a population of kangaroos becoming better adapted to live in an arid environment?
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What happens over time in a colonizing population?
In a colonizing population, genetic diversity tends to decrease as individuals interbreed with one another. This can lead to the loss of some genetic variation present in the original population. Over time, adaptations to the new environment may arise through natural selection, leading to the population becoming more suited to its new habitat.
This process gives everyone in the population an equal chance of becoming a member of the sample?
Random Selection Process
What happens when foxes and snakes live in the same ecosystem when kangaroos become extinct?
Kangaroos are in no danger of becoming extinct.
What does natural selection over long periods of time lead to?
Natural selection over long periods of time leads to a fitter and more reproductively successful group of organisms thus becoming more common in a population. It will lead to evolution.
Are red-kangaroos endangered?
No. They're nowhere near becoming endangered, although they are protected by legislation.
Which population of organisms would be in greatest danger of becoming extinct?
A population of organisms having few variations living in an unstable environment.
What are the endangred species?
An endangered species is a population of an organism which is at risk of becoming extinct because of its few in numbers, or threatened by changing environment or predation parameters.
What are the advantages of working with a population?
Population growth benefits the environment. Human knowledge allows us to produce more finished products out of fewer raw materials, natural resources are becoming more available.
Gradual change in populations of organisms that occurs when the environment changes?
This is known as evolution. Evolution is the gradual change in the heritable characteristics of biological populations over successive generations due to factors such as natural selection, genetic drift, and mutations. It occurs in response to changes in the environment and can result in the adaptation of organisms to better survive and reproduce in their environment.
What is evolution and its relation to natural selection?
Natural selection is the gradual, non-random process by which individuals with a different trait or traits are more reproductively successful than others. This relies on variation existing in the population. Natural selection results in traits becoming more or less common in the population based on the success of those with the trait(s). Natural selection is the main mechanism for evolution. Favourable traits make it more likely for these animals to survive and pass on their genes. This means that over time, more of the population will have these genetics. This can result in species which specialize - and may become a new species. This is how natural selection relates to evolution.
What the difference of selection and variation?
Selection or 'Natural selection' means that the organisms that are better adapted to their environment are most likely to stay alive and produce offspring, while Variation means that during natural selection, the organism that is better adapted to the environment starts to form more physical features to help it survive (mutations). For example, Say that there was a white desert. If there were 2 mice, one species is black while the other is white, white would survive, which would be an example of Natural Selection. Variation is if, say, the mice are slow and can still be easy prey, but later on they mutate into becoming faster, that would be variation.
Are barn owls helpful?
Owls are good for the environment because they keep down the rat and mice population. Nature naturally does this to prevent one species from becoming too powerful.
