The profundal zone is home to organisms that are
A) intertidal.
B) adapted to high levels of light.
C) photosynthetic.
D) eutrophic.
E) decomposers and detritivores.
E
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Celiac disease is an autoimmune disorder which destroys the microvilli of the small intestine. Vitamin B12 can be absorbed by passive diffusion across the microvilli of the small intestine. Consider a patient who has had 10% of their microvilli destroyed. If the concentration of vitamin B is 0.6 pg/ml inside the lumen of the small intestine and 0.3 pg/ml on the inside of an epithelial cell, how
is the diffusion rate of vitamin B altered in this patient? A. It is reduced by 10%. B. It is reduced by .003%. C. It is increased by 10%. D. It is reduced by .3%. E. It is increased by .3%.
What do we call soil particles smaller than 0.002 mm in diameter?
a. sand b. silt c. clay d. loam
The ________ birthrate is expressed as the births per 1000 individuals per unit of time
Fill in the blank(s) with correct word
All of the acid phosphatase in a mammalian cell is found within the lysosomes
What will be an ideal response?