Answer:
The correct answer is A. People breeding dogs to be less aggressive.
Explanation:
Natural selection, according to Darwin, is the process by which species adapt to the environment, given certain pressures it might set upon them. The other choices refer specifically to a natural adaptation, such as bacterias becoming more resistant, birds' beaks changing and moths changing to darker colors. However, a person breeding a dog to be less aggressive is not an example of natural selection, given the fact that specific breeding is an artificial method, not relying on the natural changes to adapt to the environment.
The correct answer to this question is this one: "D. having a rock concert in a public park in Japan"
The first three have a key point: requiring or changing by force. The last one just says having a rock concert in a public park in Japan. It's not forced, but voluntary whereas the first three are in a sense, forced.
Answer:
True
Explanation:
Thus, an aquarium is self-perpetuating functional unit. Therefore, it is known as ecosystem. Since the fishes and plants and others are added by man, so it is known as artificial ecosystem. What are trophic levels?
Answer:
The correct answer to the following question will be "not valid".
Explanation:
- A meticulous research analysis, using scientific methodology, of something like a particular interest as well as issue. The analyst wants to be using the number of fragments of junk mail a family gets every week as another measure of how affluent the community itself.
- When we have no reasonable evidence to suggest such two items are linked to each other, her estimate of accumulated wealth isn't true.
Answer:
Children may progress faster in a homeschool setting than in public school. Schooling at home may promote a closer familiar relationship – many parents find that they enjoy spending extra time with their kids in homeschool. Public school options in the area may not offer the preferred degree of educational quality