Answer:
D. reproduction
Explanation:
If the species doesn't reproduce they die out or become extinct.
any disorder involving sexual functioning, desire, or performance.any such disorder that is caused at least in part by psychologic factors. Such a disorder characterized by a decrease orother disturbance of sexual desire is called a sexual dysfunction, and that characterized by unusual or bizarre sexualfantasies, urges, or practices is called paraphilia. Also called psychosexual disorder, psychosexual dysfunction<span>.</span>
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water
Other answers:
Overpopulation.
Pollution.
Global Warming.
Climate Change.
Genetic Modification.
Ocean Acidification.
Water Pollution.
Deforestation.
Mechanical digestion takes place in the mouth
