An aquatic ecosystem that may include protists and bacteria as producers in a well-lit zone and detritus feeders in a
deeper dark zone is a(n) ____.
a. estuary
b. stream
c. lake
d. coral reef
e. hydrothermal vent
ANSWER: c
You might also like to view...
Which organism produces mostly shades of green or blue-green colonies? Microscopically, hyphae are hyaline and septate and produce brushlike conidiophores
a. Paecilomyces b. Acremonium c. Scopulariopsis d. Penicillium
Members of a population have similar
a. phenotypes. b. morphological traits. c. physiological traits. d. behavioral traits. e. all of these
Individuals that are heavy smokers may eventually have trouble clearing the mucous from their lungs because the structures that move fluid along the epithelial lining of the lung become damaged over time. What are these structures called?
A. Flagella B. Cell walls C. Cilia D. Pili
Which cycle involves materials moving through a series of transfers from living to nonliving systems and then back again?
A) biogeochemical B) geological C) continental D) uranium-lead