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the best reading 6.2 unit 1-6

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  • So animals were sent into space to see how they would be affected by space flight.
  • NASA astronaut Alan Shepard made the same journey later and became the first American in space.
  • Some animals disguise themselves by using body color or shape.
  • Many germs are harmless, but some cause diseases.
  • Because pigs are clever, they are easily trained.
  • You can change the bad dream to something funny or happy!
  • They might seem creepy to you, but some people keep insects as pets.
  • Their scent glands are removed when they are babies.
  • Have you ever wondered why giraffes have long necks?
  • Consumers are organisms that eat producers or other consumers.
  • If germs get inside a body, the body’s immune system fights them.
  • During REM sleep, a period of deep sleep, your brain is extremely active.
  • Ham the chimpanzee flew in an American space capsule in 1961 and returned safely.
  • Crickets are considered good fortune in Native American cultures, too.
  • A food web is a group of food chains within an ecosystem.
  • Some can disguise themselves as a leaf, a twig, or even a flower!
  • A food chain shows how living things are linked through their food.
  • Organisms have adapted to get food, reproduce, or protect themselves
  • Potbellied pigs have been trained to play the piano, dance, and even ride skateboards!
  • This adds nutrients to the soil so that new plants grow.
  • So if you are suffering from nightmares, you may try to have lucid dreams.
  • In many countries, crickets are a symbol of good luck.
  • At the beginning of the Space Age, scientists were clueless about what would happen to humans in space.
  • It’s a way animals blend into their surroundings, so they are not seen by predators.
  • When a disease spreads rapidly around the world, we call it a pandemic.
  • Producers produce their own food from air, water, and sunlight.
  • Sometimes you can’t remember your dreams, but everyone dreams while sleeping.
  • This can happen when an infected person coughs or sneezes.
  • Adaptations help living things survive in their environment.
  • When living things die, decomposers break down, or decompose, their tissues.
  • Many diseases are caused by tiny germs called bacteria or viruses.
  • But the first real space traveler was Laika, a Russian dog.
  • There are tons of books and websites to help you learn to have lucid dreams.
  • In Europe, having crickets in the kitchen is lucky.
  • When a vaccine enters a body, the immune system learns how to fight the germs.
  • They were chosen because they are more similar to humans than you imagine.
  • Your heart rate and eye movements also increase.
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