The Intoxilyzer contains ___ filters, each of which allows only a narrow-wavelength band of IR to reach the detector.
Fill in the blank(s) with the appropriate word(s).
five
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Refer to Figure 44-1 in the book. To which group are sponges more closely related?
A. choanoflagellates B. bilaterians C. equal relationship to both choanoflagellates and biletarians
Recent molecular research shows that plant responses to stress involve the same chemical steps as
______ responses to stress.
a. fungal b. amphibian c. algal d. human e. bacterial
The adrenal medulla is closely allied with this system?
A. True only for the sympathetic division B. True only for the parasympathetic division C. True for both divisions
Which of the following does NOT dispose of a type of waste directly to the environment?
a. digestive system b. respiratory system c. integumentary system d. circulatory system e. urinary system