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Chapter 3: Ecosystems
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Bonus Question: What is the average amount of oxygen does a person breath in one year?
About 260 kg.
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What is a population?
It is all the organisms of the same species in an ecosystem.
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When can we say that an ecosystem is rich?
When there is a diversity of floras and faunas in an ecosystem.
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Give an example of a Decomposer.
A Fungi, Mould, etc..
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What is an ecosystem?
An ecosystem is a community of organisms that live together in a particular habitat.
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What term do we use to call the group of biotic components that are grouped together?
It is called species.
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What do you call organisms that feed on the remains of dead animals?
They are called Scavengers.
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Give an example of a Scavenger.
A Vulture, Hyena, etc..
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What are Floras and Faunas?
Floras are all the plants while Faunas are all the animals.
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Give the three different types of consumers and describe them briefly.
Primary Consumers: they eat producers, Secondary Consumers: they eat primary consumers, Tertiary Consumers: they eat secondary consumers.
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What is a community?
It is made of all the populations that live together in an ecosystem and interact with each other.
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True or False. Interaction is NOT included between the living things and the non-living things.
False. It is included.
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What is a food web?
It shows us the complete picture on how living things feed on one another.
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What is the main source of energy in ecosystems?
It is the sunlight.
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How do producers make their own food?
They do it through photosynthesis.
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What are Consumers?
They are organisms that cannot make their own food.
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What is a food chain?
They show us how living things feed on other living things in an ecosystem.
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Give one example of a producer and the different types of consumers.
Producer: (any type of plant) Primary: ((herbivores) Secondary: (Carnivores, Omnivores) Tertiary: (All animals except Herbivores)
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What are Decomposers?
They are organisms that break down plant waste and the remains of living things.
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What are the different factors that affect living things?
Soil, rocks, water, air, and sunlight.
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How do you call living organisms that make their own food?
They are called producers.
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What are Biotic components?
They are also known as living things.
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What is another name for non-living things?
Abiotic Components
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