January 2025 Part C Questions Liv Env

Sometimes identical twins have different physical traits. Using the experiment Duke scientists performed on mice with the yellow fur color gene as a model, explain how epigenetics could be the cause of differences observed in identical twins.

Tags

CCSS.RI.11-12.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.8.7

CCSS.RL.9-10.7

Explain why epigenetic changes are not usually considered to be mutations.

In a population of scorpions, a mutation occurred that resulted in the venom having no effect on its predators. Explain why the number of predators that feed exclusively on scorpions would decrease over time. Justify your answer.

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Identify the original source of the brown variation.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Fritillary grows very slowly, taking five years to reproduce. Predict which flower color will be more common in areas accessible by humans after 20 years. Support your answer.

Tags

CCSS.RI.11-12.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.8.7

CCSS.RL.9-10.7

Human efforts to cultivate this endangered species have not been successful. What argument could be made to justify continued efforts to preserve this species by cultivation?

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

Three different food chains present in a food web are represented below.

(a) prickly pear cactus → antelope squirrel → western diamondback rattlesnake → red-tailed hawk

(b) saguaro cactus → wood rat → western diamondback rattlesnake

(c) brittlebrush → grasshopper mouse

Identify the food chain, (a), (b) or (c), in which there would be the least amount of energy available to the last consumer in the feeding sequence. Support your answer.

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-4

Describe a role of the uterus in the process of human reproduction.

Explain why a woman’s body would reject a transplanted uterus if she does not take the medication.

Human actions have affected the biodiversity of multiple ecosystems on Earth. Make a claim as to how human actions have affected biodiversity. Support your claim with evidence from the graph.

Tags

CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.9-10.7