Before the mass extinction, the top ocean predators were primitive sharks.
在大规模灭绝之前，高等海洋肉食生物是远古的鲨鱼。
Ocean predators Immerse yourself deep into the ocean in search of the most dangerous predators in our seas.
海洋掠食者沉浸到大海深处在我们的海洋中最危险的食肉动物搜索。
In the ocean，we fished for top predators such as cod.
在海洋中，我们捕捞像鳕鱼这样的顶级食肉动物。
But daily vertical movements by zooplankton in the ocean—upward by night to seek food, downward by day to escape predators—can also be considered migration.
但是海洋中浮游动物每天的垂直运动——夜里上浮以寻找食物，白天下潜以躲避捕食者——也可以被视作迁徒。
Without ocean plants on the seafloor to hide in, small animals are more exposed to the predators that hunt them for food.
小动物们在海边没有植物可以遮蔽，很容易被天敌发现了吃掉。
From tiny plankton to giant predators, we will see how Marine animals eat and grow. How babies are born and grow, and how ocean animals interact will also be a focus of this course.
从微小的浮游生物到巨型食肉动物，我们将看到海洋动物如何捕食和如何成长，如何出生和成长，以及海洋动物如何互动也将是我们重点介绍的一部分。
From tiny plankton to giant predators, we will see how Marine animals eat and grow. How babies are born and grow, and how ocean animals interact will also be a focus of this course.
从微小的浮游生物到巨型食肉动物，我们将看到海洋动物如何捕食和如何成长，如何出生和成长，以及海洋动物如何互动也将是我们重点介绍的一部分。
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