REX4 - Unit 3

What is a gene?

• It is a chemical in the blood.

• It is a seed that we use to grow a plant.

• It is a small part of DNA which impacts heredity.

• It is a chemical in the brain.

What is a synonym for "contamination"?

• to soil or make dirty

• to improve

• to increase

• to vanish or disappear

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CCSS.RI.9-10.4

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If someone has a "digestive" illness, where is the problem?

• in the intestines or the stomach

• in the brain

• in the ears

• iin the bones

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CCSS.RI.11-12.4

CCSS.RI.9-10.4

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CCSS.RI.8.4

What are "conventional" ways of farming?

• new methods which use new technology

• ideas that use bio-technology

• the old, traditional ways of farming

• trying new ideas to improve foods

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CCSS.RI.11-12.4

CCSS.RI.9-10.4

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Scientists are _____________________ about the risks associated with bio-tech (GMO) foods.

• certain

• fearful

• uncertain

• happy

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CCSS.RI.11-12.4

CCSS.RI.9-10.4

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Some scientists believe that bio-tech foods can be harmful to the ___________________________ .

• environment

• stomach

• intestines

• water supply

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What is one possible advantage of bio-tech foods?

• They can make plants smaller.

• They might make it possible to feed more people.

• They increase the risk of insect damage.

• They decrease the amount of food that we can produce.

Which one is an advantage of GE / GMO foods?

• They may cause allergies.

• They may cause cancer.

• They may cause nutritional deficiencies.

• They could help solve world hunger.

What is one DISADVANTAGE of bio-tech foods?

• The bio-tech proteins can cause problems for some people.

• Bio-tech foods may have fewer toxins.

• Bio-tech crops need fewer chemicals.

• Bio-tech foods can feed more hungry people in the planet.