1 00:00:00,000 --> 00:00:09,580 Okay, so we are on page 60. Do you remember that we have been talking about the ecosystems, right? 2 00:00:09,820 --> 00:00:17,079 Yesterday we were talking about the terrestrial ones, just like grasslands, the shaded forests, green forests, 3 00:00:17,960 --> 00:00:21,600 tundra, the Mediterranean forests, and that sort of thing. 4 00:00:21,600 --> 00:00:30,239 And also remember the aquatic ecosystem. 5 00:00:30,920 --> 00:00:33,380 We have fresh water and salt water. 6 00:00:33,380 --> 00:00:41,820 The fresh water, remember, were the lakes and the rivers, right? 7 00:00:41,979 --> 00:00:42,439 Remember? 8 00:00:43,000 --> 00:00:45,240 And the salt water was just there. 9 00:00:45,579 --> 00:00:47,659 The oceans and seas, okay? 10 00:00:47,820 --> 00:00:49,619 There are different animals, for example. 11 00:00:49,619 --> 00:00:57,920 We know that whales, sharks, or dolphins live in the ocean, right? 12 00:00:58,119 --> 00:01:03,119 In the rivers, we can find turtles, otters, and guys, salmon, okay? 13 00:01:03,359 --> 00:01:13,000 And we know that animals that we can find in the pollens, like ducks, small fish, round flies, insects. 14 00:01:13,719 --> 00:01:19,579 Also in the lakes, we find lots of snakes, birds, frogs, birds, right? 15 00:01:19,620 --> 00:01:21,620 So it depends on the place that you go. 16 00:01:21,620 --> 00:01:25,620 You will have different flow rate on file there. 17 00:01:25,620 --> 00:01:26,620 Page 60. 18 00:01:30,620 --> 00:01:35,620 It looks difficult, but I think we can do page 60 and 61. 19 00:01:35,620 --> 00:01:36,620 All right. 20 00:01:36,620 --> 00:01:44,620 And yeah, I think we can do page 60 and 61 right. 21 00:01:44,620 --> 00:01:47,620 This is not really difficult. 22 00:01:47,620 --> 00:01:50,319 So, look at here. 23 00:01:50,319 --> 00:01:53,480 All living things in ecosystems interact. 24 00:01:53,480 --> 00:01:55,480 That's something that we know, right? 25 00:01:55,480 --> 00:01:56,319 Okay. 26 00:02:00,099 --> 00:02:05,099 Also, we have different relationships or interactions. 27 00:02:07,239 --> 00:02:10,139 For example, we have symbiotic relationships. 28 00:02:11,960 --> 00:02:16,139 The organisms depend on each other to survive. 29 00:02:16,139 --> 00:02:25,740 For example, if one animal eats plants, right, they help to disperse the seeds and become the stuff. 30 00:02:25,740 --> 00:02:42,379 And the thing is, for example, if there are some bees that go to the flowers and they transport the seeds and the seeds to other places, right, they need each other, all right? 31 00:02:42,379 --> 00:02:57,379 If there are some animals or there are some fungi, bacteria, they decompose the substances and later the producers, the plants, are going to use to defend each other. 32 00:02:57,379 --> 00:03:07,379 So, also we have the competitive relationships. They compete each other to survive. 33 00:03:07,379 --> 00:03:15,280 There are some animals that they share territory, or they compete for water, or that kind of stuff. 34 00:03:15,360 --> 00:03:21,759 For example, if there are some elephants that are so huge, or rhinos, or hypas, that people, 35 00:03:22,259 --> 00:03:28,300 and they share with lions, or any other animals, they share the water, 36 00:03:29,300 --> 00:03:34,599 that interaction is really dangerous, right? 37 00:03:34,599 --> 00:03:44,599 Because there are some elephants that they go on their own, there are some lions waiting to chop them and eat them. 38 00:03:44,599 --> 00:03:48,599 So there are some competitive interactions for the places. 39 00:03:48,599 --> 00:03:59,599 And even there are some species, there are some populations of lions that compete with another lion for the same territory and the same food and the same water. 40 00:03:59,599 --> 00:04:00,599 Do you understand? 41 00:04:00,599 --> 00:04:01,599 Yes. 42 00:04:01,599 --> 00:04:02,599 Right. 43 00:04:02,599 --> 00:04:14,900 Also, in a symbiotic relationship, we have different types, like mutualism, it means that I help you, you help me, right? 44 00:04:14,900 --> 00:04:18,680 commensalism 45 00:04:18,680 --> 00:04:20,360 it means 46 00:04:20,360 --> 00:04:21,500 that 47 00:04:21,500 --> 00:04:24,160 for example 48 00:04:24,160 --> 00:04:26,040 one organism 49 00:04:26,040 --> 00:04:29,060 helps another 50 00:04:29,060 --> 00:04:30,560 and the other is like 51 00:04:30,560 --> 00:04:32,399 ok, I don't have any benefit 52 00:04:32,399 --> 00:04:33,939 but 53 00:04:33,939 --> 00:04:36,579 there is a relation 54 00:04:36,579 --> 00:04:38,199 piratism 55 00:04:38,199 --> 00:04:42,220 one organism 56 00:04:42,220 --> 00:04:44,240 is affected 57 00:04:44,240 --> 00:04:51,240 One has a benefit and the other no. The other is damaged. 58 00:04:51,240 --> 00:04:57,240 For example, like the fleas. The fleas, la pulpa. The fleas, they take your blood. 59 00:04:57,240 --> 00:05:04,240 They give you the blood. They have a benefit and you have a stem. 60 00:05:04,240 --> 00:05:10,240 And you have a pain here. You lose your blood. 61 00:05:10,240 --> 00:05:11,459 So it's not good, right? 62 00:05:12,019 --> 00:05:12,360 No. 63 00:05:12,420 --> 00:05:17,180 Okay, so, in competitive relationship, 64 00:05:17,939 --> 00:05:22,980 we have competition for water, for wood, for light, for space, for everything. 65 00:05:23,759 --> 00:05:26,439 And there are others, there's predation. 66 00:05:26,980 --> 00:05:29,259 There is a predator and a prey. 67 00:05:29,639 --> 00:05:32,500 The predator is the animal that is going to hunt another, 68 00:05:32,879 --> 00:05:35,220 and the prey is the animal who is going to be hunted. 69 00:05:35,220 --> 00:05:36,779 For example, an owl and a mouse. 70 00:05:36,779 --> 00:05:38,120 the owl 71 00:05:38,120 --> 00:05:39,860 needs the mouse 72 00:05:39,860 --> 00:05:41,959 and it's the predator, isn't it? 73 00:05:42,040 --> 00:05:44,139 It's the consumer. It's going to eat 74 00:05:44,139 --> 00:05:45,920 the primary consumer, 75 00:05:46,139 --> 00:05:47,139 the mouse. Do you understand? 76 00:05:48,600 --> 00:05:49,579 And it's for food. 77 00:05:50,019 --> 00:05:52,259 Of course, it's good for the owl because it's going 78 00:05:52,259 --> 00:05:53,399 to obtain energy 79 00:05:53,399 --> 00:05:55,779 but for the mouse it's going to die. 80 00:05:56,339 --> 00:05:58,459 So, that's the problem. 81 00:05:58,639 --> 00:05:59,279 So, we have 82 00:05:59,279 --> 00:06:02,500 relationships. 83 00:06:03,879 --> 00:06:04,240 Alright? 84 00:06:04,540 --> 00:06:06,720 The interaction. We have symbiotic 85 00:06:06,720 --> 00:06:17,079 relationships. Remember, mutualisms, both organisms have a benefit. Comensalisms, one 86 00:06:17,079 --> 00:06:30,019 has a benefit, the other is okay. It doesn't matter. And it's unaffected. It's like the 87 00:06:30,019 --> 00:06:36,699 spider make a web in between plants. It's very good for the spider, and the plant is 88 00:06:36,699 --> 00:06:47,699 Black is infected. Parasitism. There are some insects that bite the dog or the animals and feed the blood. 89 00:06:47,699 --> 00:06:52,699 Of course the dog is infected and can have some problems. 90 00:06:52,699 --> 00:07:03,699 Competitive relationship. Competition happens when two or more organisms need the same resources like water, food, light, space. 91 00:07:03,699 --> 00:07:21,379 And also we have depredation. Depredation is what we said before. We say depredator, then we depredator. Depredator and depredator. Okay? Right. Depredator is the one who has, and the other is the hunter. 92 00:07:21,379 --> 00:07:31,019 Okay, well, so this is easy, so, um, interaction, right? 93 00:07:31,699 --> 00:07:34,000 No, please, have a look. 94 00:07:34,800 --> 00:07:35,420 Interaction. 95 00:07:36,540 --> 00:07:43,540 We have, um, interaction, and, um, interaction. 96 00:07:43,860 --> 00:07:44,519 So, what is this? 97 00:07:46,079 --> 00:07:47,459 Please, be quiet. 98 00:07:48,139 --> 00:07:48,500 Thank you. 99 00:07:48,980 --> 00:07:49,519 What is this? 100 00:07:49,519 --> 00:08:08,060 Symbiotic. Symbiotic. Symbiotic relationship. And? Competitive. Competitive. Competitive relationship. 101 00:08:08,060 --> 00:08:30,060 So, remember, we have mutualism, alright? So, both organisms has a benefit, alright? 102 00:08:30,060 --> 00:08:44,929 to write commensalism doesn't matter if you have to see how do you write it okay 103 00:08:44,929 --> 00:08:53,649 commensalism one is okay the other is the same right it's an effective 104 00:08:53,649 --> 00:09:07,149 I'm part of citizen all right these words are really hard because they are 105 00:09:07,149 --> 00:09:12,789 difficult to pronounce and difficult to write this mutualism commensalism 106 00:09:12,789 --> 00:09:30,340 Parasitism. I think that they are easier to pronounce than writing. Parasitism. Remember, one has a benefit and the other has a problem. 107 00:09:30,340 --> 00:09:44,100 Competitive, we have the competition for, we have the competition for light, water, 108 00:09:44,100 --> 00:09:55,340 space, all that places, and also we have, we have the competition, and what was the 109 00:09:55,340 --> 00:09:56,340 Predator. 110 00:09:56,340 --> 00:09:57,340 Predator. 111 00:09:57,340 --> 00:09:58,340 Predation. 112 00:09:58,340 --> 00:10:07,340 Yes, sometimes I don't know how you pronounce something, but then I will remember it all 113 00:10:07,340 --> 00:10:08,340 right. 114 00:10:08,340 --> 00:10:09,340 Predator. 115 00:10:09,340 --> 00:10:10,340 And the prey. 116 00:10:10,340 --> 00:10:11,340 Okay. 117 00:10:11,340 --> 00:10:12,340 The prey is hunted. 118 00:10:12,340 --> 00:10:13,340 The predator. 119 00:10:13,340 --> 00:10:14,340 Predator. 120 00:10:14,340 --> 00:10:15,340 He is hunted. 121 00:10:15,340 --> 00:10:16,340 Predator. 122 00:10:16,340 --> 00:10:17,340 Predator. 123 00:10:17,340 --> 00:10:18,340 Predator. 124 00:10:18,340 --> 00:10:19,340 Predator. 125 00:10:19,340 --> 00:10:20,340 Predator. 126 00:10:20,340 --> 00:10:21,340 Predator. 127 00:10:21,340 --> 00:10:22,340 Predator. 128 00:10:22,340 --> 00:10:23,340 Predator. 129 00:10:23,340 --> 00:10:24,340 Predator. 130 00:10:24,340 --> 00:10:25,340 Predator. 131 00:10:25,340 --> 00:10:39,899 hands. I'm praying. Remember. Alright. Very good. So. So, so. Copy this if you want. And 132 00:10:39,899 --> 00:10:53,980 we're going to do number two. For number two, we're going to listen to something now. 133 00:10:55,340 --> 00:10:58,600 Okay, so have a look, and we're going too much, okay? 134 00:10:59,019 --> 00:11:04,340 So copy it, please, copy the question, copy everything, write it there, and... 135 00:11:04,340 --> 00:11:15,820 All right, we're going to keep on listening, ready, steady, go. 136 00:11:16,340 --> 00:11:19,179 Which definition describes each relationship? 137 00:11:20,080 --> 00:11:22,840 Listen, then read a much, if you're not going to. 138 00:11:22,840 --> 00:11:27,960 Two. Which definition describes each relationship? 139 00:11:29,259 --> 00:11:32,779 Listen, then read and match in your notebook. 140 00:11:34,860 --> 00:11:38,919 Butterflies feed on nectar produced by flowers. 141 00:11:40,080 --> 00:11:45,840 As butterflies travel from one flower to another, they pollinate the plants. 142 00:11:45,840 --> 00:11:53,080 This means plants can reproduce and the butterflies obtain the food they need 143 00:11:53,080 --> 00:11:58,299 This kind of relationship is called mutualism 144 00:11:58,299 --> 00:12:03,299 because both living things receive benefit from each other 145 00:12:03,299 --> 00:12:10,580 Mosquitoes suck the blood of other animals like cows or sheep 146 00:12:10,580 --> 00:12:14,500 They do this by biting the animal 147 00:12:14,500 --> 00:12:20,600 A mosquito bite can cause irritation and infections in the animals. 148 00:12:21,759 --> 00:12:25,159 This kind of relationship is called parasitism. 149 00:12:26,120 --> 00:12:33,559 This is because the mosquito gets the food it needs, but the animal it takes the food from is harmed. 150 00:12:35,659 --> 00:12:41,700 Some plants have a relationship with other living things called commensalism. 151 00:12:41,700 --> 00:12:47,700 These plants produce spiny seeds that cling to the fur of animals. 152 00:12:48,620 --> 00:12:52,580 The plants use this method of seed dispersal for reproduction. 153 00:12:53,919 --> 00:13:00,480 The seeds do not harm the animal, but the animal doesn't get any benefit from the relationship. 154 00:13:00,480 --> 00:13:17,580 2. Which definition describes each relationship? 155 00:13:18,840 --> 00:13:22,399 Listen, then read and match in your notebook. 156 00:13:24,539 --> 00:13:28,539 Butterflies feed on nectar produced by flowers. 157 00:13:28,539 --> 00:13:35,460 As butterflies travel from one flower to another, they pollinate the plants 158 00:13:35,460 --> 00:13:42,700 This means plants can reproduce and the butterflies obtain the food they need 159 00:13:42,700 --> 00:13:47,919 This kind of relationship is called mutualism 160 00:13:47,919 --> 00:13:52,919 because both living things receive benefit from each other 161 00:13:52,919 --> 00:14:00,179 Mosquitoes suck the blood of other animals like cows or sheep. 162 00:14:01,279 --> 00:14:04,080 They do this by biting the animal. 163 00:14:05,200 --> 00:14:10,179 A mosquito bite can cause irritation and infections in the animals. 164 00:14:10,759 --> 00:14:14,759 This kind of relationship is called parasitism. 165 00:14:15,740 --> 00:14:19,200 This is because the mosquito gets the food it needs, 166 00:14:19,200 --> 00:14:23,200 but the animal it takes the food from is harmed. 167 00:14:24,940 --> 00:14:31,320 Some plants have a relationship with other living things called commensalism. 168 00:14:32,019 --> 00:14:37,299 These plants produce spiny seeds that cling to the fur of animals. 169 00:14:38,220 --> 00:14:42,200 The plants use this method of seed dispersal for reproduction. 170 00:14:42,200 --> 00:14:50,100 The seeds do not harm the animal, but the animal doesn't get any benefit from the relationship. 171 00:14:55,210 --> 00:14:58,009 Okay, well, now. 172 00:15:00,929 --> 00:15:03,769 Commensalism. What do you think is a commensalism? 173 00:15:06,149 --> 00:15:09,909 Receiving without giving. 174 00:15:09,909 --> 00:15:34,570 All right. Parasitism. What do you think? Receiving and harming. See, mutualism. Giving and receiving. All right. Good. 175 00:15:34,570 --> 00:15:57,610 now page 61 page 61 61 remember we're going to do this we're going to copy the 176 00:15:57,610 --> 00:15:59,549 table about 177 00:15:59,549 --> 00:16:01,549 interaction. Complete it with 178 00:16:01,549 --> 00:16:03,649 a key. Alright? That's what we say 179 00:16:03,649 --> 00:16:04,850 here. Vale? 180 00:16:06,429 --> 00:16:12,389 Vale? 181 00:16:12,850 --> 00:16:14,570 Ready, steady, go. 182 00:16:20,429 --> 00:16:21,070 Mosquito. 183 00:16:21,429 --> 00:16:23,870 A human being. The mosquito 184 00:16:23,870 --> 00:16:25,350 fits on our globe. 185 00:16:25,870 --> 00:16:27,210 Blue. Sorry. What do you think? 186 00:16:27,570 --> 00:16:30,070 Mutualism, commensalism, parasitism 187 00:16:30,070 --> 00:16:31,809 or competition. What do you think? 188 00:16:31,809 --> 00:16:48,549 remember the mosquito feeds on our blood one is it's receiving but we are being harming self 189 00:16:48,549 --> 00:16:49,830 we are being harmed 190 00:16:49,830 --> 00:17:00,429 both animals are scavengers and they need the same food so what is this 191 00:17:00,429 --> 00:17:05,430 Mutualism, commensalism, parasitism or competition? 192 00:17:05,430 --> 00:17:06,430 Competition. 193 00:17:06,430 --> 00:17:07,430 Competition. 194 00:17:07,430 --> 00:17:13,430 Tartar and remora. The remora feeds on the tartar's fruit and scrubs. 195 00:17:13,430 --> 00:17:19,019 What do you think? 196 00:17:19,019 --> 00:17:30,019 Remember that the commensalism is receiving but not giving. 197 00:17:30,019 --> 00:17:39,019 Alright. Clownfish and sea anemone. The clownfish cleans the sea and the sea anemone protects the clownfish. 198 00:17:39,019 --> 00:17:44,019 It's mutualism. Alright? Yes or no? 199 00:17:44,019 --> 00:17:45,019 Yes. 200 00:17:57,549 --> 00:17:59,549 You copy all of this? 201 00:17:59,549 --> 00:18:01,549 I don't know what page it is. 202 00:18:01,549 --> 00:18:03,549 Sixty. 203 00:18:03,549 --> 00:18:05,549 Sixty? You don't know that? 204 00:18:05,549 --> 00:18:07,549 Alright, so... 205 00:18:11,549 --> 00:18:13,549 Mosquito, I'm human being... 206 00:18:15,549 --> 00:18:17,549 Mosquito... 207 00:18:19,549 --> 00:18:21,549 I'm human being... 208 00:18:34,339 --> 00:18:36,339 The mosquito fits all over the place. 209 00:18:36,339 --> 00:18:38,339 The mosquito... 210 00:18:38,339 --> 00:18:48,339 The mosquito feeds on our blood. 211 00:18:48,339 --> 00:18:51,339 Alright, and what is this? 212 00:18:51,339 --> 00:18:54,339 What is this called, number one? 213 00:18:54,339 --> 00:18:57,339 What is this called, remember? 214 00:18:57,339 --> 00:19:00,339 This is pa... 215 00:19:00,339 --> 00:19:02,339 Parasitism. 216 00:19:02,339 --> 00:19:04,339 Parasitism. 217 00:19:04,339 --> 00:19:08,200 Par-a-si-ti-sum. 218 00:19:10,240 --> 00:19:10,980 Number two. 219 00:19:12,799 --> 00:19:14,019 Number two. 220 00:19:14,240 --> 00:19:15,160 Hyena and vulture. 221 00:19:16,740 --> 00:19:21,700 Hyena and vulture. 222 00:19:26,779 --> 00:19:30,599 They say both animals are scavengers. 223 00:19:30,819 --> 00:19:32,359 They need the same territory. 224 00:19:33,339 --> 00:19:34,980 Both animals. 225 00:19:36,420 --> 00:19:41,799 or scavengers. So what do you think? 226 00:19:41,799 --> 00:19:48,519 What do you think? Mutualism, Comensalism, 227 00:19:48,519 --> 00:19:51,740 Parasitism, Parasitizen or 228 00:19:51,740 --> 00:19:56,539 Competition. What do you think? 229 00:19:56,539 --> 00:19:58,980 Competition, great because they compete for the same 230 00:19:58,980 --> 00:20:02,859 tools, right? For the same territory. Competition. 231 00:20:02,859 --> 00:20:06,240 Really, really nice. Number three. 232 00:20:06,240 --> 00:20:10,259 Tartar and Remora. Tartar and Remora. 233 00:20:10,259 --> 00:20:21,259 Tartle and Remora. You can copy from here, or you can copy from the blackboard, okay? 234 00:20:21,259 --> 00:20:23,259 Future, copy this! 235 00:20:23,259 --> 00:20:27,259 Yeah, of course. The Remora fits on the Tartles. 236 00:20:27,259 --> 00:20:52,759 The Remora feeds on the turtle's food scraps. 237 00:20:52,759 --> 00:20:56,759 What do you think is this relationship, this interaction? 238 00:20:56,759 --> 00:21:28,559 Commensalism is when one animal receives without giving and another gives without receiving. 239 00:21:28,579 --> 00:21:57,529 all right number four fun fish and sea animals fish fish see they have each other right they 240 00:21:57,529 --> 00:22:21,569 they help each other so this is if they help each other it is new mutualism all right okay 241 00:23:48,329 --> 00:25:02,789 So, we have here, commensalism, commensalism, we have, one organism has a benefit, 242 00:25:02,789 --> 00:25:18,789 And remember, benefits the organism, harms the organism, doesn't affect the organism. 243 00:25:18,789 --> 00:25:19,789 Okay? 244 00:25:19,789 --> 00:25:28,190 So we have one of the organisms. 245 00:25:28,190 --> 00:25:30,190 Competition, what do you think? 246 00:25:30,190 --> 00:25:44,579 Predation, it will be just like how hard they have to each other. 247 00:25:44,579 --> 00:25:54,579 Mutualism, both, both are, both are, have a benefit. 248 00:25:54,579 --> 00:25:58,579 Parasitism, one has a benefit, the other is hard. 249 00:25:58,579 --> 00:26:05,579 Predation, one has a benefit, you understand? 250 00:26:07,579 --> 00:26:13,480 I'll be long with you tomorrow.