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PSLE Science > Food Chain > Flashcards

Food Chain Flashcards

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Biology 101 flashcards
1
Q

Name the conditions for effect of population of animals

A
  1. Disease
  2. Availability of food (prey)
  3. Home destroyed
  4. Presence of predator
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2
Q

What are the main organisms of the food chain?

A
  1. Food producers
  2. Food consumer
  3. Prey
  4. Predator
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3
Q

How does the food producer make its food?

A
  1. Obtains energy from the Sun

2. Makes their own food by photosynthesising

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4
Q

What are the main things needed for photosynthesis?

A
  1. Sunlight
  2. Carbon dioxide
  3. Water
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5
Q

How do living things have air to breathe in the terrarium?

A

There is exchange of gases in the terrarium. The plants photosynthesise and give out oxygen. The animals take in the oxygen and give out carbon dioxide.

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6
Q

How do living things have water in the terrarium?

A

The plants release water vapour to the surroundings when photosynthesising. Warm water vapour from the surrounding of the tank touches the cooler surface of the tank, loses heat and condenses into water droplets. Thus, the living things would sufficient supply of water.

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7
Q

How do living things have food?

A

The plant photosynthesises and makes food for the plant. The animal eats the plant for food. In conclusion, the terrarium has the variable needed for living things to survive such as oxygen, water, food and sunlight

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8
Q

What is the types of eaters in the food chain?

A
  1. Plant eaters (Herbivores)
  2. Plant and animal eaters (Omnivores)
  3. Animal eaters (Carnivores)
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9
Q

What do decomposers do? (Example. bacteria, mushrooms, etc…)

A
  1. Make soil fertile
  2. Gets rid of dead organisms and wastes
  3. Speeds up the process of decay by breaking down plants and animal wastes into simpler pieces
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10
Q

What is the food chain?

A

Relationship between food and organisms

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11
Q

What is a food web?

A

A diagram that combines many food chains into energy relationships among organism

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12
Q

What are living things?

A

Organisms

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13
Q

What is a population?

A

A group of organisms living together that belongs to the same family (Example: cows, grasshoppers)

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14
Q

What is a community?

A

Made up of many populations that breed and live together

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15
Q

What is a habitat?

A

Organisms that live in the area chosen by certain conditions

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16
Q

What are the condition of living in a habitat?

A
  1. Light
  2. Temperature
  3. Air
  4. Water
  5. Availability of food
17
Q

What are the vocabulary words commonly used in food chain questions?

A
  1. Prey
  2. Predator
  3. Increase/decrease
  4. Population
  5. Food consumer
  6. Food producer
  7. Plant/plant & animal/animal eater
  8. Photosynthesis
  9. Oxygen/carbon dioxide
  10. Food
  11. Water

PSLE Science (2 decks)

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