Algae are divided taxonomically into different groups based on differences in:
a. morphology.
b. photosynthetic pigments.
c. habitat.
d. depth distribution.
e. size.
B
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Synesthesia occurs when
a. one sense is confused with another. b. two senses are perceived together. c. three senses are perceived together. d. sight and vision are perceived together. e. vision, taste, and pain are perceived together.
An __________ consists of an array of organisms along with nonliving components of their
environment. Fill in the blank(s) with the appropriate word(s).
Who was the first person to realize the importance of hand washing between examinations of patients?
A. Ignatz Semmelweis B. Louis Pasteur C. Robert Koch D. Joseph Lister E. Paul Ehrlich
Following their respective breeding seasons, several species of hummingbirds occur at the same locations in North America and several hummingbird flowers bloom simultaneously in these habitats. These flowers seem to have converged to a common morphology and color. Birds are most visually sensitive to the color red. Hummingbird flowers are pollinated by hummingbirds. Which of the following features of these flowers would indicate they have coevolved with hummingbirds? (Check all that apply)
A. flowers produce a high volume of nectar and sugar B. flowers are low to the ground C. long tubular flowers D. blooming time of the flowers coincides with the arrival of the hummingbirds E. flowers are colored violet and blue