August 2023 Living Environment Regents Questions 41-52 Question Preview (ID: 62087)
The Questions In This Practice Exam Are Thoughtfully Crafted To Assess Your Knowledge And Skills. They Cover A Range Of Topics And Formats, Offering A Valuable Opportunity For Self-assessment And Preparation.
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Which statement best describes what would most likely happen if some of the owls from location B moved to location A?
a) The mountain lion population in location B will move to location A.
b) The deer population in location A will decrease due to lack of resources.
c) The hawk population in location A will decrease due to competition for food.
d) The owl population in location B will increase due to a decrease in genetic variation.
The process represented in the diagram indicates that
a) cell A is providing food to cell B
b) a chemical from cell B is communicating with cell A
c) cells A and B are attaching to each other
d) cell A is communicating with cell B
Cellulose is the chemical name for the fiber found in fruits and vegetables. Cellulose is similar in structure to starch. It is most likely that humans can digest starch but not cellulose because
a) cellulose molecules are too big to be absorbed into cells
b) humans have enzymes to break down starch, but not cellulose
c) humans have only starch-digesting ribosomes in their digestive system
d) humans convert excess cellulose to glucose
Ocean currents are associated with food availability for the Galapagos penguins. This is most likely due to the
a) Panama Flow current carrying food from southern regions of the ocean to the Galapagos Islands
b) Humboldt current bringing large amounts of algae from the southern ocean for the penguins to eat
c) Cromwell current bringing food up to the surface from deeper in the ocean
d) currents transporting the penguins to where the most food is located
Of all penguin species, the Galapagos penguin lives in the warmest climate. Which statement describes a behavioral adaptation that would allow these penguins to be successful in their warm environment?
a) 1
b) 2
c) 3
d) 4
What is a possible result of the change shown in the diagram?
a) The number of chromosomes would decrease.
b) The gene would move to another chromosome.
c) A specific enzyme would no longer be made.
d) More amino acids would be produced.
The finches of the Galapagos Islands likely came from a few birds that were able to fly there from Ecuador about two to three million years ago. Once the finches reached the islands, some
a) quickly changed to fit the new environment of the islands
b) outcompeted all other bird species native to the islands
c) survived based on the adaptations that they had to the new environment
d) mated with other bird species on the islands, resulting in birds better adapted to the new environment
The amino acid sequence of four species, Bc, X, Y, and Z, were compared to determine their evolutionary relationship. Based on the amino acid sequence below, identify the evolutionary tree that best represents the relationship between the species.
a) 1
b) 2
c) 3
d) 4
The gel electrophoresis patterns for two species can be compared to reveal similarities and differences in
a) body structures
b) base sequences
c) gametes produced
d) nutrients required
The dependent variable in this experiment is the
a) number of friends participating
b) times when the pulse rate was taken
c) pulse rate of each person
d) viewing of the sporting event
The differing rates of migration of DNA fragments in a gel electrophoresis procedure is mainly due to
a) the volume of the DNA sample used
b) the size of the DNA fragments produced
c) the number of DNA fragments in the gel
d) the size of the wells of the gel
Which part of the Beaks of Finches lab activity was changed in order to simulate the different conditions on various islands?
a) type of beak
b) size of beak
c) type of seeds present
d) size of stomach container
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