1 00:00:00,000 --> 00:00:06,400 Hello boys and girls, welcome to a new natural science lesson. In this case you need two 2 00:00:07,520 --> 00:00:08,640 vertebrates 3 00:00:08,640 --> 00:00:11,320 lesson two vital functions 4 00:00:12,840 --> 00:00:14,840 mirror world 5 00:00:15,040 --> 00:00:17,040 vital functions 6 00:00:17,920 --> 00:00:21,920 Vertebrates perform three vital functions 7 00:00:23,560 --> 00:00:27,480 Do you remember the name of the three vital functions? 8 00:00:28,400 --> 00:00:30,400 Number one is nutrition 9 00:00:31,920 --> 00:00:33,920 Number two reproduction 10 00:00:35,320 --> 00:00:37,720 Number three interaction 11 00:00:39,160 --> 00:00:41,160 Mirror world 12 00:00:41,160 --> 00:00:43,240 nutrition 13 00:00:43,240 --> 00:00:45,320 reproduction 14 00:00:45,320 --> 00:00:47,320 interaction 15 00:00:49,160 --> 00:00:53,240 Next the first one is nutrition 16 00:00:54,240 --> 00:00:59,480 Carnivores eat other animals 17 00:01:01,000 --> 00:01:06,400 Remember their teeth are long and sharp 18 00:01:07,840 --> 00:01:11,280 One example of a carnivore is the lion 19 00:01:14,440 --> 00:01:17,560 Herbivores eat plants 20 00:01:18,920 --> 00:01:20,920 their teeth are 21 00:01:21,200 --> 00:01:23,200 Short and flat 22 00:01:23,880 --> 00:01:27,480 One example of a herbivore is the zebra 23 00:01:29,320 --> 00:01:34,520 Then we have a third type of vertebrates in terms of nutrition 24 00:01:35,440 --> 00:01:37,440 omnivores eat 25 00:01:38,440 --> 00:01:40,040 both 26 00:01:40,040 --> 00:01:42,040 animals and plants 27 00:01:42,560 --> 00:01:45,720 One example of omnivores is the wild boar 28 00:01:47,600 --> 00:01:50,800 Reproduction that is the vital function number two 29 00:01:51,800 --> 00:01:53,800 mirror world 30 00:01:55,640 --> 00:02:00,520 viviparous animals give birth to live babies 31 00:02:02,480 --> 00:02:04,680 Humans are viviparous too 32 00:02:07,360 --> 00:02:09,360 As you can see 33 00:02:10,040 --> 00:02:16,000 There is a human mother with a human baby or fetus inside her womb 34 00:02:17,000 --> 00:02:21,000 Let's continue the second type of 35 00:02:22,120 --> 00:02:24,120 vertebrate in relation to 36 00:02:25,040 --> 00:02:27,040 reproduction are 37 00:02:27,280 --> 00:02:29,280 all-viparous animals 38 00:02:29,760 --> 00:02:31,760 Remember mirror world 39 00:02:31,960 --> 00:02:34,920 all-viparous animals lay eggs 40 00:02:38,160 --> 00:02:42,320 Some like frogs lay many many eggs 41 00:02:43,320 --> 00:02:48,160 Others like birds lay a few eggs 42 00:02:51,000 --> 00:02:53,000 Next 43 00:02:53,800 --> 00:02:55,880 We have a third type of 44 00:02:57,000 --> 00:02:59,840 vertebrates if we speak about reproduction 45 00:03:00,920 --> 00:03:02,920 mirror world 46 00:03:02,960 --> 00:03:04,560 in 47 00:03:04,560 --> 00:03:07,840 all-viparous animals the eggs 48 00:03:08,760 --> 00:03:10,760 grow and hatch 49 00:03:11,760 --> 00:03:13,680 Inside 50 00:03:13,680 --> 00:03:15,680 their mother's body 51 00:03:16,080 --> 00:03:18,080 so in this case 52 00:03:18,200 --> 00:03:23,560 So in this case, we are mixing a little bit of viviparous animals and a little bit of 53 00:03:24,320 --> 00:03:26,080 all-viparous animals 54 00:03:26,080 --> 00:03:29,400 some examples of all the viviparous animals are 55 00:03:30,200 --> 00:03:34,800 Platypus, which is a mammal that seems like a duck 56 00:03:35,800 --> 00:03:39,400 Manta ray and guppies that are fish 57 00:03:40,200 --> 00:03:42,800 Remember in this case the eggs 58 00:03:43,440 --> 00:03:47,040 grow inside the mother and also hatch 59 00:03:48,400 --> 00:03:50,400 inside the mother 60 00:03:50,480 --> 00:03:52,120 next 61 00:03:52,120 --> 00:03:54,440 the third vital function is 62 00:03:55,520 --> 00:03:58,000 interaction and we will divide it in two 63 00:03:58,840 --> 00:04:01,320 interaction one and interaction two 64 00:04:02,560 --> 00:04:04,560 interaction one 65 00:04:04,800 --> 00:04:06,800 mirror world 66 00:04:07,080 --> 00:04:09,080 animals live 67 00:04:09,360 --> 00:04:14,640 alone in groups or in large communities 68 00:04:18,480 --> 00:04:23,360 First rhinoceros or polar bears live alone 69 00:04:25,480 --> 00:04:27,480 On the other hand 70 00:04:28,240 --> 00:04:30,240 zebras or sheep 71 00:04:30,880 --> 00:04:36,440 live in groups or herds for protection and 72 00:04:37,760 --> 00:04:39,760 the third case 73 00:04:39,880 --> 00:04:44,400 Prairie dogs or ants live in large communities 74 00:04:45,120 --> 00:04:50,400 Remember ants are just an example of large communities, but they are not 75 00:04:51,040 --> 00:04:53,040 Vertebrates they are 76 00:04:53,160 --> 00:04:56,960 Invertebrates we will learn that in unit number three 77 00:04:57,840 --> 00:05:03,040 Next the second type of interaction relates is related to 78 00:05:03,560 --> 00:05:07,640 animals which use different parts to move around 79 00:05:08,560 --> 00:05:10,560 mirror world 80 00:05:12,360 --> 00:05:14,960 Turtles use their legs to swim 81 00:05:16,160 --> 00:05:21,960 On the other hand tortoises cannot swim. They are terrestrial 82 00:05:22,400 --> 00:05:24,400 Eagles 83 00:05:25,320 --> 00:05:28,920 Use their wings and feathers to fly 84 00:05:30,000 --> 00:05:35,600 On the other hand hens cannot fly. They just walk around 85 00:05:39,040 --> 00:05:44,960 Horses use their legs to walk and run 86 00:05:46,680 --> 00:05:50,280 Monkeys use their arms and legs to climb 87 00:05:52,960 --> 00:05:56,720 Remember that you can find all this information 88 00:05:57,520 --> 00:06:03,560 In your outlines in your notebook in this lab book. Thank you very much for listening