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Nightshade berries are very poisonous and may have killed a Roman emperor. Tomatoes are part of the same plant family and also have harmful toxins, but they don’t usually harm us.
Tomatoes were once believed to be poisonous, but they have evolved to make their toxins less harmful. Scientists have discovered the genes that help tomatoes do this.
Other plants in the same family, like potatoes, also have toxins to protect themselves from pests. Humans can get sick if they eat too much of these toxins.
Animals help spread the seeds of these plants by eating the fruit. As the fruit ripens, the toxic chemicals turn into something tasty for animals to eat.
Tomatoes have a protein called DML2 that helps make their toxic chemicals less harmful. This change happened during the domestication of tomatoes, making them safe for us to eat.
Overall, tomatoes have become a safe and healthy food for people to enjoy all around the world.
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Vocabulary List:
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Poisonous/ˈpɔɪ.zən.əs/adjective
Containing substances that can cause illness or death if ingested.
Toxins/ˈtɒk.sɪnz/noun
Poisonous substances produced by living cells or organisms.
Evolved/ɪˈvɒlvd/verb
Developed gradually especially from a simple to a more complex form.
Domestication/dəˌmɛs.tɪˈkeɪ.ʃən/noun
The process of adapting wild plants and animals for human use.
Ripens/ˈraɪ.pənz/verb
To become ripe or mature especially regarding fruit.
Chemicals/ˈkɛmɪkəlz/noun
Substances with a defined composition often used in processes such as reactions or manufacturing.
What protein in tomatoes helps make their toxic chemicals less harmful?
DML2
Beta-carotene
Chlorophyll
Hemoglobin
What type of fruit helps spread the seeds of nightshade plants?
Animals
Humans
Wind
Water
What is the purpose of toxins in plants like tomatoes and potatoes?
Protect from pests
Attract pollinators
Enhance flavor
Promote growth
What has helped tomatoes evolve to be less harmful to humans?
Genes
Watering
Sunlight
Pesticides
What historical figure may have been killed by nightshade berries?
Roman emperor
Greek philosopher
Egyptian pharaoh
Viking king
Tomatoes are generally harmful to humans.
Potatoes belong to the same plant family as tomatoes.
Toxic chemicals in nightshade plants become tasty as the fruit ripens.
Animals play a role in spreading the seeds of tomatoes.
Tomatoes are safer to eat due to a protein called Chlorophyll.
The evolution of tomatoes helped make their toxins less harmful.
Tomatoes were once believed to be poisonous, but they have evolved to make their toxins less harmful. Scientists have discovered the genes that help do this.
Overall, tomatoes have become a safe and healthy food for people to enjoy all around the .
Tomatoes have a protein called DML2 that helps make their toxic chemicals less . This change happened during the domestication of tomatoes, making them safe for us to eat.
Animals help spread the seeds of these plants by eating the .
Other plants in the same family, like , also have toxins to protect themselves from pests.
What protein in tomatoes helps make their toxic chemicals less harmful?
DML2
Beta-carotene
Chlorophyll
Hemoglobin
What type of fruit helps spread the seeds of nightshade plants?
Animals
Humans
Wind
Water
What is the purpose of toxins in plants like tomatoes and potatoes?
Protect from pests
Attract pollinators
Enhance flavor
Promote growth
What has helped tomatoes evolve to be less harmful to humans?
Genes
Watering
Sunlight
Pesticides
What historical figure may have been killed by nightshade berries?
Roman emperor
Greek philosopher
Egyptian pharaoh
Viking king
Tomatoes are generally harmful to humans.
Potatoes belong to the same plant family as tomatoes.
Toxic chemicals in nightshade plants become tasty as the fruit ripens.
Animals play a role in spreading the seeds of tomatoes.
Tomatoes are safer to eat due to a protein called Chlorophyll.
The evolution of tomatoes helped make their toxins less harmful.
Tomatoes were once believed to be poisonous, but they have evolved to make their toxins less harmful. Scientists have discovered the genes that help do this.
Overall, tomatoes have become a safe and healthy food for people to enjoy all around the .
Tomatoes have a protein called DML2 that helps make their toxic chemicals less . This change happened during the domestication of tomatoes, making them safe for us to eat.
Animals help spread the seeds of these plants by eating the .
Other plants in the same family, like , also have toxins to protect themselves from pests.
