What is not a factor sited in the 1800s as being a reason animal life could not exist past 55 meters?
a. The lack of light penetration
b. The inability to find food and mates.
c. The tremendous amount of pressure.
d. The consistency of the environmental conditions.
d
Biology & Microbiology
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The benthic areas of continental shelf regions are dependent upon ____ for food
a. phytoplankton b. zooplankton c. sinking detritus d. attached algae e. epifauna
Biology & Microbiology
What is the most common population density pattern in habitats?
1.dispersed 2.random 3.migratory 4.clumped
Biology & Microbiology
The ________ forms the lower jaw in humans
Fill in the blank(s) with correct word
Biology & Microbiology
In what region of the nephron does most secretion take place?
A) Nephron loop B) Distal tubule C) Proximal tubule D) Glomerulus E) Collecting duct
Biology & Microbiology