Answer:

Causes of Depleting Marine Life

1. Climate Change -  change in the average conditions such as temperature
2. OVERFISHING -  Overfishing is catching too many fish at once, so the breeding population becomes too depleted to recover
3. Marine Pollution - Marine pollution is a combination of chemicals and trash, most of which comes from land sources and is washed or blown into the ocean
4. Coastal Development - Coastal development is a broad category which includes an array of human activities including beachfront construction of homes, HOTELS, restaurants, and roads, often for tourism
5. Loss of Habitat - Pollution, logging, DREDGING, draining of wetlands, and coastal development are all factors that lead to marine habitat destruction.
6. Ocean Acidification - Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide (CO. 2) from the atmosphere. The main cause of ocean acidification is the burning of fossil fuels.
7. Poaching and Illegal Trade - especially sea horses and sea cucumbers is emerging as the new wildlife crime.
8. Invasive Species - An invasive species can be any kind of living organism such as an amphibian (like the cane toad), plant, insect, fish, fungus, bacteria, or even an organism's seeds or eggs that is not native to an ecosystem and causes harm.

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