黑龙江地区高二英语Unit13 integrating skills life in the ocean 人教版 课件VIP专享VIP免费

Unit13 The Water PlanetLife in the oceanThe creatures that live here use chemicals from the vents to stay alive. Since there is no light here, some of the animals do not have eyes.Creatures living near deep sea ventsDark, very cold, water pressure extremely high6,000-11,000 metresThe sperm whale 抹香鲸 slows its heartbeat in order to reach this zone as it hunts for food.Fish, but only a few, sperm whalesNo light at all, cold, high water pressure4,000-6,000 metresMost of the animals that live here are black or red because of the lack of light.FishDark, ”marine snow”1,000-4000 metresMany of the creatures that live here are able to make light with their body.Fish and crustaceans, ie crabs, lobsters etc, no plantsSome sunlight200-1,000 metresMany species have adapted by becoming dark on the top and light on the bottom. This makes it difficult to see them against the dark water below and the blue sky abovePlants, fish, dolphins, sharks, sea turtles, and sea lionsSunlight, difficult to hide0-200 metresHow do the animals adapt?Life formsConditionsDepthCold, difficult to breathe; No trees or plants very few life formsVery high mountains, like Mt Qomolongma6,000-11,000 metresSome rain, but not enough (on land); some light, but not enough (in the ocean); Very few plants and some life formsDesert or dry area200-1,000metresSunlight, lots of nutrients, oxygen. Lots of life forms.Forest or rain forest0-2—metresVery cold. No trees or plantsNorth and south pole4,000-6,000metresConditions and examplesLand habitat Ocean habitat the verythe very 1.(1.( 强调形容词最高级或置于强调形容词最高级或置于 own own 前前 )) 完全完全 ,, 十足十足 They wanted the very best quality.They wanted the very best quality. 他们要最好的质量他们...