Jan 2025 Part D Living Environment

When the proportion of a gene for a specific trait in a population of finches increases over time, the most likely cause of this increase would be

• selective breeding

• species extinction

• natural selection

• ecological succession

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NGSS.HS-LS4-2

NGSS.HS-LS4-4

A scientist conducts an experiment in order to...

• test a hypothesis
• analyze results
• collect data
• prove a theory

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NGSS.HS-PS1-3

Which species is most closely related to species M?

• E

• F

• G

• H

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NGSS.HS-LS4-1

Which species appears to have been well adapted to its environment for a long period of time?

• E

• F

• C

• D

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The diagram was based on fossil evidence. Explain why other forms of evidence would help support the accuracy of the evolutionary pathways represented in the diagram.

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CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.9-10.7

When determining a pulse rate, why is it best to use the average of three readings?

Selecting agents can have a significant impact on the size of many populations living in an area. Identify one selecting agent that could have a potential impact on the number of individuals in the various penguin populations living in the Antarctic Peninsula.

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NGSS.HS-LS2-6

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Pulse-rate data were collected from some students during their study hall. The data are shown in the histogram below. State one way the data would most likely be different if the pulse rates were collected immediately after gym class instead of during study hall.

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CCSS.6.SP.B.5B

Ground finches in the Galapagos Islands are seed eaters. The beaks of the offspring are very close in size to the beaks of their parents. The best explanation for this observation is that

• a bird with a very small beak will die

• the temperature of the environment determines the size of the beak

• only birds with very small beaks are able to reproduce

• the size of the beak is determined mostly by genes

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NGSS.HS-LS3-1

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A valid conclusion that can be drawn from these results is that

• genetic material is not useful in determining evolutionary relationships

• species M is most closely related to BC

• species L and N are most closely related to BC

• BC is not related to any of the species

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NGSS.HS-LS4-1

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NGSS.HS-LS4-4