Which of the following organ systems are NOT involved in temperature regulation or secretions of

hormones?



a. integumentary system
b. circulatory system
c. muscular system
d. skeletal system
e. endocrine system


D

Biology & Microbiology

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Planktonic organisms that spend part of their lives in planktonic form and the rest of their lives as either benthos or nekton are called:

What will be an ideal response?

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It appears that early Homo sapiens ____

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