1. One reason is extinctions happen because of some kind of change in the environment where a life form lives. While some species can adapt to the changes, others die, and if enough die, the species becomes extinct. These are some of the biggest factors in the extinctions of particular species. 2. Contaminants in the environment, such as pesticides.
To genetically manipulate organisms
The relationship is direct
<span>This type of a relationship where only one species benefits and the other is harmed is known as parasitism. The other species is not killed immediately, at least not as long as the first species, or the parasite, needs them. As long as the victim provides enough sustenance for the parasite to live, they will be necessary and not killed off. The moment the victim has nothing else to offer to the parasite, it is probably going to die.</span><span />
Answer:
d
Explanation:
its just d that i do know