EduSolution - NYS Regents Exams

NYS Regents
Exams

Test Yourself

Our World: Current Issues

EduSolution
Forums

Intermediate Level Exams

Elementary
Level exams

Lesson Plans

Classroom Techniques

References
__________
Awards
Praise
_______________

Subject Areas
Science
Mathematics
Social Studies
Language Arts
Foreign Languages
------------------------
Link Policy

NEW YORK STATE REGENTS EXAMS
HOMEOSTASIS (Part 2)
ANSWER KEY

(1) Allow 1 credit for a correct explanation of how staying out of the sun helps organisms
such as snakes and lizards maintain homeostasis. Appropriate responses include, but are
not limited to:
-This behavior helps maintain a relatively cooler body temperature.
-Staying in the shade keeps the body temperature low enough so that dehydration will not
occur, or so that enzyme action (body chemistry) is not affected.
(2) Allow 1 credit for an explanation of why people with AIDS often develop many other
diseases. Appropriate responses include, but are not limited to:
- The virus that causes AIDS interferes with the functioning of the immune system.
- The virus that causes AIDS interferes with a cell’s ability to produce antibodies.
- The immune system in people with AIDS is impaired.
Allow 1 credit for identifying chloroplast as the structure that would indicate that the organism
was an autotroph.

(3) 2
(4) 1

(5) -HIV attacks the immune system. -Their resistance is lowered by HIV infection.

(6) 2
(7) 2
(8) 2

Next Page >>

NEW YORK STATE REGENTS EXAMS HOMEOSTASIS (Part 2) ANSWER KEY

NEW YORK STATE REGENTS EXAMS
HOMEOSTASIS (Part 2)
ANSWER KEY