Looking for signal words help you take notes by separating the important clues from the question, essay, etc. So, using signal words will help you understand the subject better then just dropping stuff down blindly. (Hope this helps)
Answer:
1. Anyone can work on selective breeding.
2. It provides improvements to the plants or animals.
1. It may lead to a lack of variety in plant or animal species.
2. Genetic mutations are still going to occur.
Answer: A
Explanation:
Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction.
Lions and zebras, fox rabbit, cat and mouse.
If that was what you were asking.
