ET Unit 6 Review Day 1 3/11/24

Which of the following is an example of artificial selection?

• Gorillas are in the wild and have a baby gorilla.

• A group of ants in an ant pile are exterminated by an exterminator.

• A black speckled rabbit is a new favorite among children, a white and black rabbit are picked to make black and white baby bunnies.

• Wolves in the wild have pups.

White tigers are becoming extinct, to overcome this a male and female white tiger are paired together in captivity to help their population continue to grow. This is an example of:

• Natural Selection

• Gene Flow

• Artificial Selection

• Genetic Drift

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Match the following

• measuring the position of a fossil in layers of rock to determine its age

• Vestigial structure

• Traits similar in two different species

• Relative dating

• When ALL members of a species die

• Homologous Structure

• Leftover traits that no longer have a purpose

• Extinction

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Match the following terms with their definitions

• A permanent change in the DNA

• Variation

• a change in a species DNA over time because of natural selection

• Adaptation

• An inherited trait that makes and individual different

• Mutation

• Any variation that makes an organism better able to survive

• Evolution

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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The differences among a species, like different bird beaks, are called

• genes.
• variations.
• traits.
• theories.

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Which species’ DNA is most similar to the DNA of the toothed whale? 

• Hippopotamus 
• Baleen Whale
• Grazing Mammals
• Camels

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The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---

• are descended from a common ancestor
• Have very similar skeletal structures
• belong to the same species
• must range great distances to eat

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NGSS.MS-LS4-2

The similarities of the bones in the diagram provide evidence that---

• The organisms shown lived in the same natural envionrment
• The organisms shown may have developed from a common ancestor
• The organisms shown have the same genetic diseases
• All vertebrate species have identical forelimbs

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According to this data, the unknown bacterial species is most closely related to: 

• Species I
• Species II
• Species III
• Species IV

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