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NEW YORK STATE REGENTS EXAMS
BIOLOGY - AUGUST 1999

108 The type of climax vegetation associated with a terrestrial biome is
primarily determined by yearly temperature variation and the

1 presence of animal predators
2 presence of climax fauna
3 number of deciduous trees
4 annual precipitation

109 A bird lives in a tree in a forest, where it builds a nest and lays two eggs.
The chicks hatch, and the mother feeds the chicks insects she has plucked 
from the tree bark. This information helps most in determining the bird's

1 niche                           3 biomass
2 rate of metabolism        4 migratory pattern

Base your answers to questions 110 through 113 on the information below and on
your knowledge of biology.

An investigation was performed to determine the effect of temperature on the respiratory
rate of a goldfish. The respiratory rate was measured by the number of gill cover
movements per minute. The following data were collected.

60 gill cover movements at 23oC             57 gill cover movements at 25oC
15 gill cover movements at l0oC              25 gill cover movements at 15oC
30 gill cover movements at 18oC             25 gill cover movements at 27oC

110 Complete both columns of the data table on your answer paper so that the
temperatures are increasing from the top to the bottom. The data table. The data
table below is provided for practice purposes only. Be sure your final answer
appears on your answer paper. You may use pen or pencil for your answer.


 

Directions (111-112): Using the information in the data table, construct a line
graph on the grid provided on your answer paper, following the directions below.
The grid on the next page is provided for practice purposes only. Be sure your
final answer appears on your answer paper. You may use pen or pencil for your answer.

111 Mark an appropriate scale on each labeled axis.

112 Plot the data from the data table. Surround each point with a small
circle and connect the points.

113 Which inference is best supported by the data?

1 The higher the temperature, the higher the rate of gill cover movements
of goldfish.
2 At both 10o'C and 27oC, goldfish use less energy than at 23oC.
3 Goldfish are not affected as water temperature increases from 10o
to 27oC.
4 Goldfish reproduce more successfully in water at 15oC than at 27oC.

 
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