NGSS.MS-LS4-2

When using a dichotomous key to identify organisms, what do we look at?

• physical features
• weather patterns
• environment
• diet

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NGSS.MS-LS4-2

Which organism in the table shown is most closely related to the common dolphin?

• human
• killer whale
• giant kelp
• bat star

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NGSS.MS-LS4-2

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

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NGSS.MS-LS4-2

  The diagram shows an image of a Pterosaur wing, bat wing, and bird wing.  These are all different organisms, but share similar wing structures.  If these structures are similar due to common ancestry, which of the following best describes them?

• a.  Vestigial Organ
• b.  Embryological Similarities
• c.  Homologous Structures
• d.  Analogous Structures

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NGSS.MS-LS4-2

What characteristics of Tiktaalik make it a tetrapod? Select all that apply.

• Eyes on the top of head

• Flat head

• Hip bones

• A neck

• Tetrapod-like ribs

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NGSS.MS-LS4-2

Scientists frequently use all of the following to support the theory that organisms change over time except

• similarities in number of mates.

• similarities in body structure

• similarities in early development.

• . similarities in DNA.

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NGSS.MS-LS4-2

Using the cladogram below, which animals DON'T have lungs?

• Hagfish and Perch

• Salamander and Lizard

• Mouse and Chimp

• Pigeon

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NGSS.MS-LS4-2

What animal characteristic did Darwin observe on the Galapagos Islands that caused him develop his theory of evolution?

• penguin feathers

• bird dances

• finch beaks

• iguana tails

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NGSS.MS-LS4-2

Vocab check:

The theory that organisms have slowly changed over time...

• fossil record

• relative dating

• evolution

• adaptation

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NGSS.MS-LS4-2

The human gene for muscle protein differs from the muscle protein in monkeys in 4 places. It differs from chickens in 25 places. According to this information, which organism is more closely related to humans?

• Monkeys are more closely related because their proteins have fewer differences.

• Chickens are closer to humans because there are more genes.

• Monkeys are closer to humans because they both have the exact same genes.

• Neither organism is related to humans.

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NGSS.MS-LS4-2