Changing the Living World

What type of biotechnology can develop different types of cells or tissues from an undifferentiated cell?

• DNA fingerprinting

• stem cell therapy

• restricted enzymes

• cloning

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If a farmer asked the ethical question "What are the long-term effects of creating crops that are immune to pesticides and diseases?" what topic would they discussing?

• GMOs

• Cloning

• DNA fingerprinting

• Gene therapy

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Creating a transgenic organism is an example of _____________. 

• PCR

• Genetic Engineering

• Gel Electrophorsis

• Gene Therapy

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What is recombinant DNA?

• Adding DNA from one organism into the DNA of another

• DNA which has been changed over generations by natural selection

• DNA that causes genetic disorders

• DNA that has been sequenced

Which of the following statements ​best​ describes how the fossil record shows evidence for evolution?

• The fossil record shows the remains or traces of ancient life forms

• Fossils exist all over the world

• When an animal dies, its body can be covered up and preserved by layers of rock and earth, forming a fossil

• By studying, dating, and analyzing fossils, we can learn how living creatures changed over time

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Which piece of evidence could be used to show that mammalodons and modern whales are directly related to each other and share a common ancestor?

• They both eat small sea creatures

• They share similar anatomical features, such as unused hip bones.

• They both produce one baby at a time.

• Their social behavior includes swiming in groups.

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Based on the images, what might cause a scientist to think these are related?

• They are about the same size.

• They eat the same kind of food.

• They live in the same types of habitats.

• They have very similar body structures.

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Which statement does this dolphin embryo structure provide evidence for?

• Dolphins are more closely related to other mammals with hind legs than to fish.

• Dolphins are more closely related to fish than to other mammals with hind legs.

• Dolphins do not share an evolutionary relationship with other mammals.

• Dolphins do not share an evolutionary relationship with fish.

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Evolution is best described as:

• A sudden and massive loss of species on the planet due to climate change

• A harmful mutation in a species

• The gradual change and development of species over time, arising from a common ancestor

• The fossil record of vertebrate development

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Which piece of evidence is ​NOT​ studied to prove how species evolved over time?

• Anatomy

• Fossil record

• Embryology

• Hair color

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