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[blank_start]The brain[blank_end] is in charge of everything in our bodies, sending and receiving messages through the nerves.
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The brain
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The stomach
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The mouth
Frage 2
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Humans have [blank_start]five senses[blank_end] to help the brain to connect to the world.
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five senses
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three senses
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friends
Frage 3
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Our five senses are:
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Sight, hearing, smell, taste, and touch.
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sight, hearing, smell, taste, and brain.
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Smell, arms, and touch. sight, hearing,
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[blank_start]Skeletons[blank_end] are the bones that hold up the human body.
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Bones meet each other at joints held by ligaments.
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[blank_start]Muscles[blank_end] make bones move pulling on them. People have to use lots of muscles for every move.
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Muscles
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The five senses
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Legs
Frage 7
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People have to use ________________ for every move.
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lots of muscles
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lots of brains
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lots of water
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Just ONE animal reproduces sexually.
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Most animals reproduce sexually. They need [blank_start]two parents: Male and Female.[blank_end]
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Some animals are viviparous; they [blank_start]keep the embryo inside their bodies.[blank_end] Like mammals (humans).
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They are MAMMALS. They reproduce sexually and need two parents (Male and Female).
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An ecosystem is formed by...
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living and non living things together in one area.
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two parents. Female and Male.
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mountains, rivers and rocks.
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One of the most important factors of an ecosystem is [blank_start]water[blank_end]. It makes the difference between a tropical forest and a desert.
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water
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pollen
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a family of mammals
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a human body
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Which ecosystems are these?
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Living things get their energy in just ONE way.
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Living things get their energy in DIFFERENT ways.
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[blank_start]Producers[blank_end] like plants make their own food.
[blank_start]Consumers[blank_end] like animals eat other living things.
[blank_start]Decomposers[blank_end] eat dead living things and enrich the soil.
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Producers
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Consumers
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Decomposers
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Consumers
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Producers
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Decomposers
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Decomposers
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Producers
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Consumers
Frage 19
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a Decomposer
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a Consumer
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a Producer
Frage 20
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a Consumer
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a Producer
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a Decomposer
Frage 21
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a Producer
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A Consumer
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A Decomposer
Frage 22
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Producers, consumers, and decomposers...
Frage 23
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Is a type of energy and It’s measured by temperature.
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Matter can't change state based on heat or temperature.
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Water can change state based on heat or temperature. If you heat water, the molecules will move very fast and will become a gas (steam).
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[blank_start]Heat[blank_end] is used in the preparation of food, it can kill bacteria and viruses, as well as various parasites.
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The food chain was discovered by Louis Pasteur (1864).
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What happens during PASTEURIZATION?
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Most of the existing bacteria in the food or drink are killed.
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The molecules will move very fast and will become a gas (steam).
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Bacteria and viruses eat dead living things and enrich the soil.
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When heat is used in the preparation of food, it can kill or inactivate harmful organisms, such as ...