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| Materi Kelas 5 SD/MI Bahasa Inggris "Balance of Ecosystem" |
Dialog
Siti and Lani visited Dayu’s house, when Dayu was making offerings, the offerings consisted for several types of flower.
Lani: “Dayu, I want to ask”
Dayu: “What’s wrong?”
Lani: “How do you get flowers for offerings?”
Dayu: “I get from my garden, I planted it, why do you ask?”
Lani: “I’m just persuade, I’ve seen someone pick the flowers in the city garden to make offerings because the activities damage the environment”
Dayu: “I understand Lani, we will not pick flowers from the city garden, and will always care for the environment”
Reading
A living things need other living things to maintain the life. Plants get energy from the sun, animals get energy from the plants or other animals that eat plants. Plants can make their own food. Living things that can make their own food are called producers, while living things that cannot make their own food are is consumers. The consumers who eat plants are herbivores, the consumers who eat animals as energy sources are carnivores. Omnivores are consumers who eat the plants or the animals and will form a food chain.
Examples of the form of rice food chain will be eaten by the rats, then the rats will be eaten by snakes, the snakes will be eaten by eagles.
The food chain will be disrupted if there are no food chain composer. For example, if a mouse does not exist, then the snake will find it difficult to get food, so the snake must eat others for example frogs.
Reading
An Effect Of Human Activities On The Balance Of The Ecosystem
An environmental balance occurs when there is harmony and balance of biotic and abiotic components. The factors that cause changes in the balance is the natural factors and human factors. Examples of the natural factors are volcanic eruptions, floods, landslides, forest fires, storms and tsunami.
Examples of the human factors are illegal logging and burning of forests, hunting of animals, excessive use of fertilizers, littering, and activities that pollute the environment.
Vocabulary
Efek: Effect
Keseimbangan: Balance
Lingkungan: Environmental
Terjadi: Occurs
Keselarasan: Harmony
Sebab: Cause
Gunung meletus: Volcanic eruption
Bajir: Flood
Tanah longsor: Landslides
Kebakaran hutan: Forest fires
Badai: Storm
Tsunami: Tsunami
Penebangan: Logging
Pembakaran: Burning
Berburu: Hunting
Berlebihan: Excessive
Mengotori: Littering
Terganggu:Disrupted
Komposer: Composer
Tidak ada: Not exist
Sulit: Difficult
Sesaji: Offering
Terdiri:Consisted
Beberapa: Several
Memastikan: Persuade
Memetik: Pick
Merusak: Damage
Task
Specify changes in the balance of natural factor (N) or human factor(H)!
Answer the question!
1. Specify the factors from nature that cause changes in environmental balance!
Answer: Volcanic eruptions, floods, landslides, forest fires, storms and tsunami
2. Specify the factore from the human that cause in environmental balance!
Answer: Illegal logging and burning of forests, hunting of animals, excessive use of fertilizers, littering
3. What is the producer?
Answer: Living things that can make their own food
4. What is the herbivore?
Answer: Consumers who eat plants
5.What is the karnivore?
Answer: Consumers who eat animals as energy sources
6. Give 1 example of the food chain!
Answer: Paddy – Rat – Snake – Eagle – Fungi / bakteria
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