It is generally believed that oil is derived from Marine plant and animal life.
通常认为石油来源于海生动植物。
This accelerated growth also reduces the amount of oxygen available to other plant and animal species in the affected area; raising fears that it could destabilise fragile Marine ecosystems.
加速的增长减少了可供应给其他动植物的氧气量，特别是受灾区域；大大影响了海洋生态系统的平衡。
At present, Marine biotechnology mainly includes Marine animal and plant breeding biotechnology, Marine natural metabolites biotechnology and Marine environment biotechnology.
当前海洋生物技术主要分为海洋动植物养殖生物技术、海洋天然产物生物技术和海洋环境生物技术。
For example, the increasing spread of desertification, land erosion, the extinction of plant and animal species, pollution of Marine and river pollution.
例如，日益蔓延的荒漠化，土地的侵蚀，动植物物种的灭绝，海洋与河流道的污染等问题。
For example, the increasing spread of desertification, land erosion, the extinction of plant and animal species, pollution of Marine and river pollution.
例如，日益蔓延的荒漠化，土地的侵蚀，动植物物种的灭绝，海洋与河流道的污染等问题。
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